If you _____ stayed at home, this would never have happene
A.have
B.had
C.will have
D.would have
第1题
A.how much it costs
B.how much did it cost
C.how much it cost
D.how much does it cost
第3题
A.Although
B.As
C.Since
D.Unless
第4题
A.to record
B.recorded
C.recording
D.being recorded
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