问题
My son is addicted to drugsHe isn’t hopeless, is he?— Yes, ______ he mends his way and starts all over
A:if
B:when
C:even if
D:unless
B:when
C:even if
D:unless
正确答案是：
同类题型
The country has________ too many wars
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Look! Is that man Mr. Li–No, it ______ be him. He has gone to America for a meeting.
You can make a complaint to the local government____you are happy with the way things are.