If you had written clearly, you .
A. would be understood
B. could be understood
C. would have been understood
D. would have understood
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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