This cake is very sweet.You ________a lot of sugar in it.A、should putB、could ha

游客2023-10-16  31

问题 This cake is very sweet.You ________a lot of sugar in it.

选项 A、should put
B、could have put
C、might put
D、must have put

答案 D

解析 “must+完成式”表示对过去情况的肯定推测。句意:这个蛋糕很甜,你一定是放了很多糖,故选D。
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