Question

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

1. A.
   should put
2. B.
   could have put
3. C.
   might put
4. D.
   must have put

Answer 1

D
解析：
試題
分析：考查情態(tài)動(dòng)詞。must have done 肯定做了某事，表示對(duì)過(guò)去的肯定推測(cè)。句意：蛋糕非常甜，你肯定在里面放了很多糖。所以選D。could have done 本可以做而沒做考點(diǎn)：考查情態(tài)動(dòng)詞表推測(cè)