问题
选择题
You should have put the milk in the ice box. I expect it ___undrinkable by now.
A．became
B．had become
C．has become
D．becomes
答案
答案：C
指从过去一直延续到现在的状况。
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You should have put the milk in the ice box. I expect it ___undrinkable by now.
A．became
B．had become
C．has become
D．becomes
答案：C
指从过去一直延续到现在的状况。