题目内容
【题目】It was quite right for Yuan Longping to think that________was to have more rice and produce it more quickly.
A.the key to feeding people
B.the key to feed people
C.the key of feeding people
D.the key of feed people
【答案】A
【解析】key“钥匙;关键”;answer“答案”;solution“解决方案”等名词后面常和介词to连用,这是固定搭配,既然是介词,那么后面只能跟名词或动名词,因此答案为A。
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