It is becoming extremely difficult to grow enough to feed the world’s rapidly increasing population.

This time last year, I was cycling under (the rain along a country road in France with a friend for mine .

A progress has been made toward finding a cure for AIDS.

The pioneers raised com as their chief crop beldcause they kept well any season and could be used in many ways.

There is a hostel at the bottom of the canyon where we stay there.

No decision will be made about my future appointment until suitable candidates had been interviewed.

When actively hunting,dolphin send out transmitting about five signals every second.

The basic law addition, subtraction, multiplication and division are taught to all element school students

There are different and similarities between Vietnamese and American culture

The children were playinglast night outdoors when it began tingo rain very hard.

Circle the letter to indicate the word(s) SIMILAR in meaning to the underlined word(s) in each of the following questions: 

Let's wait here for her; I'm sure she'll turn up before long. 

Hoa is asking Hai, who is sitting at a corner of the room, seeming too shy.
-Hoa: “Why aren’t you taking part in our activities? ______”
-Hai: “ Yes, I can. Certainly”

The athlete has tried his best to ________ his SEA Games title and record. 

-Uncle Tom: “ Remember to give my best regards to your parents, Bob.”
        -Bob: “___________”

The top of the mountain covered snow during winter.

Both Mr. and Mrs. Smith are explaining the children the rules of the game

I’m just going to shops ; if anyone rings, tell them I will be back for few minutes.

There is no Oxygen in space to support the combustion of fuels as is there the air on the Earth 

Even the smallest pulley can be done stronger by adding wheels to system to create more leverage 

Most of the students in this class __________ from South Africa

The world would look may different  if human eyes were sensitive to infrared adiation .