Bob would have helped us yesterday, but heA. was busyB. is busyC. had been busy.D. will be

发布时间：2020-08-16 14:46:22

Bob would have helped us yesterday, but he    
A. was busy
B. is busy
C. had been busy.
D. will be busy

网友回答

(答案→)A. was busy
B. is busy
C. had been busy.
D. will be busy
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