题目内容
This cake is very sweet. You _____ a lot of sugar in it.
A. should put B. could have put C. might put D. must have put
D
解析:
由前面的提示“蛋糕很甜”可知是“你一定是在里面放了很多糖”，故选D。must have done表示对过去情况的肯定的推测，“过去一定做某事。”
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——This cake is very sweet. You ______ a lot of sugar in it.
| A．should put | B．could have put | C．might put | D．must have put |