It was necessary that the homework_____ in before the deadline.

A. must be handed
B. be handed
C. were handed
D. would be handed

He did his work carefully for fear that he.

A. made a mistake
B. makes a mistake
C. make a mistake
D. would make a mistake

The stubborn young boy did not follow the advice that hehis homework on time.

A. finish
B. had finished
C. would finish
D. must finish

If you had written clearly, you .

A. would be understood
B. could be understood
C. would have been understood
D. would have understood

It is high time that such plans________.

A. are ended
B. be ended
C. were ended
D. must be ended

If Henry had enough money , heon the trip to Australia.

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

The teacher insisted that Tom ___it.

A. do
B. did
C. does
D. would do

If you had one billion yuan, what___?

A. would you be buying
B. would you have been bought
C. would you buy
D. will you have bought

He acted as if he ___everything in the world.

A. will know
B. knew
C. knows
D. won’t know

请把语法术语“式”翻译成英语: ____。