If a glass lizard loses its tails , a new one grows to replace it

Last night there was .......... singing outside my house. 

Most sand dunes are always in motion as wind pushes sand upward one side of each dune, over the top, and down the other side.

Because the diamond is the hardest naturally occurring substance, it is used in industry for to cut, grinding, and boring other hard materials.

Because it is a healthy way to exercise, aerobic dancing is considered as an excellent method for release tension.

Gwendolyn Brooks, which won a Pulitzer Prize for Poetry in 1950, had 75 poems published by the time she was twenty.

The bath overflowed and the water dropped through into the living room

A telephone, a satellite TV, a fridge and the other facilities are available in our hotel rooms.

Bells told people of happy vents, such as weddings and born or, sometimes had to announce unpleasant events such as a death.

Before dinosaurs became extinct, plant life is very different on Earth.

If we come home on time, our step-mother will be angry.

The world would look eerie different if human eyes were sensitive to infrared radiation.

Hurry! We're got to leave the house immediately. Otherwise, __________ the opening ceremony. 

Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface.

In the United States, the leading butter-producing states which are Wisconsin, California, and Minnesota.

When T.S. Eliot’s “The Wasteland” appeared in 1922, critics were divided as to how good it was written

I lost your phone number. Otherwise, I ____ you much earlier. 

.................. Mekong River is .............longest river in.................... Vietnam. 

Our primary goal is to teach students to discover the truth. But we have also other aims, such as providing them with knowledge or to teach them to work consciously

The news today are always full of stories about people who are unhappy.

Intelligence , education, and experience all helps to shape management style