We should try to (A) conserving (B) energy in (C) our house (D).

We are going camping (A) this weekend, so (B) we ask her to look (C) for (D) our dog.

Write A, B, C, or D which best completes the sentences

Tom suggested _________ to eat.

We need stronger laws to protect the _________ .

Ride your bike ............ or you will cause an accident.

Choose the word whose main stress pattern is not the same as that of the others:      

I am disappoint (A) that my son didn't win (B) the first prize in (C) the speaking (D) contest.

Choose the word whose main stress pattern is not the same as that of the others:      

How old was Edison when he died?

We enjoy learning English _________ we find it very difficult.

We are worried about the _________ of the fresh water for the world’s population.

Choose the word whose main stress pattern is not the same as that of the others:

How did Thomas Edison light up the world?

Choose the word whose main stress pattern is not the same as that of the others:      

The teacher divided the students _________ four groups.