题目内容
a.I think he is unable to swim in the river, ________?
b.He thinks he is unable to swim in the river, ________?
A.don’t I
B.isn’t he
C.doesn’t he
D.is he
答案:B;C
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题目内容
a.I think he is unable to swim in the river, ________?
b.He thinks he is unable to swim in the river, ________?
A.don’t I
B.isn’t he
C.doesn’t he
D.is he