题目内容
—Yuan Longping’s super-hybrid rice has been planted in many Asian countries.
—Yes, and that’s what he _____ for years.
A. has been expecting B. is expecting
C. had been expecting D. will expect
A
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Yuan Long-ping has devoted all his life to the agricultural research, and finally his efforts ________him great achievement and world fame.
| A．earned | B．offered | C．presented | D．directed |