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Water is of vital importance to all living things. Without it, all living things will surely die. We also use a great (16)______ of water daily in our homes, in factories, and in power stations. Most of this water is fresh water and it comes to us from reservoirs, rivers and lakes. The Earth's surface is (17)_____ by large areas of water which we call oceans and seas. If you have tasted the water from the sea, you will know that, unlike fresh water, seawater tastes salty. This is due to the (18)_____ of sodium chloride which comes from the land. Rivers carry it to the sea. Although neither salt nor fresh water has any color, the sea often looks blue (19)______ the sunlight. The reason is that sunlight is made up of many colors. Some colors disappear quickly in the sea but blue light bounces back or is reflected, to the surface. This makes the sea look blue. (20)______ , a stormy sky will make the sea look grey

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The lecture was so dull that soon the audience begin to .......

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After months of trying to find a cheap flat in the centre of town, he’s finally _______ in the sponge

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She admitted that she had ______________ a mistake

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The tour guide ....... some copy travel brochures and took the visitors up into the mountains

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John and Jack are talking about how lessons are conducted via the Internet.
John: “Distancing learning is truly convenient nowadays.”
Jack: “ _______ . This way of studying hinders our ability to interact with classmates.”

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All the children took part _____________ the Thanksgiving play

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Only by saving money___________ a house

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____ as it was at such a time, his work attracted much attention

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The power failure at dinnertime caused consternation among the city's housewives

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 This is _______ room

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My father _______ the roof when it started to rain.

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The group is trying to __________ public awareness about homelessness

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An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. At the Earth's surface, earthquakes are recognized (25) _____ vibration, shaking and sometimes displacement of the ground. The vibrations may vary in (26) _____. They are caused mostly by slippage within geological faults, but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. The underground point of (27) _____ of the earthquake is called the focus. The point directly above the focus on the surface is called the epicenter. Earthquakes by themselves rarely kill people or wildlife. It is usually the secondary events (28) _____ they trigger, such as building collapse, fires, tsunamis (seismic sea waves) and volcanoes, that are actually the human disaster. Many of these could possibly be avoided by better construction, safety systems, early warning and (29) ____ planning

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The local government provides financial support to the children of ____ parents

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Check dahlias in store and ........... any rotten parts before dusting with fungicide

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The music aroused an……..feeling of homesickness in me

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We put _________ some new pictures in the living room

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It’s a hot topic, and people have ...... all morning

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Everybody ............. healthy and good looking

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I want to travel because I enjoy __________ people and seeing new places