Bob would have helped us yesterday, but he-A. was busyB. is busyC. had been busy. D. will

发布时间：2020-08-17 02:37:05

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
解析：考查时态：句意：鲍勃昨天本应该来帮助的，但是他很忙，说明他很忙是昨天的事实，是对过去事实的陈述，不需要用虚拟语气。选A。
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