题目
You have been working for a long time. Why not stop having a rest?()
第1题
If you had been have yesterday,you______(see)his father.
第2题
A.were
B.was
C.have been
D.had been
第3题
A.have been
B.have hone
C.had been
D.are
第5题
A.have gone
B.have been
C.went
D.go
第6题
A.may be killed
B.may kill
C.might have killed
D.might have been killed
第8题
Our workers have been checking the heating system since you called us. I()you it will perform. well soon.
A.argue
B. affect
C. assure
第9题
A. must have been working
B. might be working
C. must work
D. should have worked
第10题
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