By this time next year, we _____ all the land into rice field.
A. had turned
B. will have turned
C. have turned
D. have been turning
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Thousands of people took part in the work when the Three Gorges Project (三峡工程) _____ .
A. would be built
B. was building
C. was being built
D. had been built
The sick man _____ to hospital right away.
A. must be sent
B. will send
C. ought be sent
D. must send
Do you know when the Chinese Communist Party _____ ?
A. is found
B. found
C. has been founded
D. was founded
()被称为“世界地图之父”。
A. 裴秀
B. 墨卡托
C. 托勒密
D. 亚里士多德