题目内容
Bob would have helped us yesterday，but he _______．
A．was busy B．is busy C．had been busy D．will be busy
A
练习册系列答案
阅读快车系列答案
相关题目
Bob would have helped us yesterday, but he-_______
| A．was busy | B．is busy | C．had been busy. | D．will be busy |
Bob would have helped us yesterday ,but he_______________.
|
A．was busy busy |
B．is busy |
C．had been busy |
D．will be busy |