摘要：-I so busily recently that I no time to help you. -That’s OK. I can manage it by myself. A. have been working; have B. have worked; had C. am working; will have D. had been working; had had
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--- I ______ so busily recently that I ______ no time to help you with your math.
--- That’s OK. I can manage it by myself.
A.have been working; have
B.have worked; had
C.am working; will have
D.had been working; had had
查看习题详情和答案>>--- I ______ so busily recently that I ______ no time to help you with your math.
--- That’s OK. I can manage it by myself.
A. have been working; have
B. have worked; had
C. am working; will have
D. had been working; had had
查看习题详情和答案>>--- I ______ so busily recently that I ______ no time to help you with your math.
--- That’s OK. I can manage it by myself.
A. have been working; have
B. have worked; had
C. am working; will have
D. had been working; had had
查看习题详情和答案>>