单选题：Bob would have helped us yesterday, but he_______．

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

参考答案：

答案解析：

What does the word "resuscitation" refer to in the story?

What does the word "resuscitation" refer to in the story?A．A way of saving peopl

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The underlined word "rainbow" in the last paragraph refers to_______．A．the rainb

分类：英语题型：单选题

第（34）题答案A．room B．home C．house D．Glenns'

分类：英语题型：单选题