1,I would have called you if ii knew your number

2, the motorbike is bought in china by her last year

3,how many rice does vietname export every year

1, I didn't have enough money.Therefore,i couldn't buy a new house.

->if

2,peter needed money.That's why he sold his house.

->if

3,the fire has destroyed many buildings

->many buildings

4,the children didn't go to school until thay were 6

-> it was not until

1,you are not right,if i _______you ,i________that.

A.am/will not do. B.were/would not do

C.had been/wouldn't have done. D.was/would not do

1, A future. B edventure. C sure. D picture

2, A study. B nation. C retum. D toturist

1, A.challeng . B.marine. C.maintain. D.device

2,A.natural. B.dangerous. C.imprison. D.consequence

1, what would you do if you had found a burglair in your house

A. B. C. D

2,I don't think you should tells this secrer for him

A. B. C. D

1,spem whales are _____,which means they cat meat

A.fish. B.camivores. C.mammals. D.herbivotes

2,we are facing the possible_____of most of our rain forest

A.ruin. B.vanishing. C.disappearance. D.exlinelion

3,If I _____you .I wouldn't buy that coal

A.am. B.would be. C.were. D.was

4,we _____to the beach yesteday if the sun had been shining

A.would go B.will go. C.had gone D would have gone

1,people were using the temis coun at that time ( passive voice)

=>the temis cous was

2,they should do their homework before going to shool ( passive voice)

=>their homework

3,he doesn't come , so I can't speak to him about it.

=>If

4,he didn't prepare for the interview .so he didn't get the job

=>If