题目内容
【题目】We all feel it is Jack as well as his wife that ________for their son's bad performance at school.
A.are to blame
B.is to be blamed
C.are to be blamed
D.is to blame
【答案】D
【解析】考查主谓一致。作主语的是Jack,所以用单数,be to blame for是固定短语,意思是“应对……负责”。故选D。
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