-Will you be able to finish your report today?-( ).
-Will you be able to finish your report today?-( ).
A.mustn't he
B.needn't he
C.isn't he
D.shouldn't he
求原因.
应该是John must be in the chemistry lab,(
A.mustn't he
B.needn't he
C.isn't he
D.shouldn't he
求原因.
应该是John must be in the chemistry lab,(
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