题目内容
(1)Mr.Johnson must have come back yesterday, ________?
(2)He must have waited here for a long time, ________?
A.hasn’t he
B.haven’t he
C.mustn’t he
D.didn’t he
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题目内容
(1)Mr.Johnson must have come back yesterday, ________?
(2)He must have waited here for a long time, ________?
A.hasn’t he
B.haven’t he
C.mustn’t he
D.didn’t he
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