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You should have put the milk into the icebox, I expect it undrinkable.A.becameB.

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You should have put the milk into the icebox, I expect it undrinkable.A.becameB.

You should have put the milk into the icebox, I expect it ______ undrinkable.

A.became

B.had become

C.has become

D.becomes

试题答案

C

解析:

本句的意思是:你本该把牛奶放到冰箱里,我想现在这牛奶不能喝了。本句的难点是:从句意分析,牛奶已经变质,不能喝了,属过去发生的动作对现在造成影响,再加上by now是现在完成时的典型时间状语,故选[C]。