题目列表(包括答案和解析)
--- 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
--- 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
--- 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
--- I ____ so busily recently that I ____ no time to help you with your maths.
---That’s OK. I can manage it by myself.
A. had been working; had had B. have been working; had
C. have been working; have D. am working; will have
--- I _______ so busily recently that I ______ no time to help you with your maths.
---That’s OK. I can manage it by myself.
A. had been working; had had B. have been working; had
C. have been working; have D. am working; will have
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