— Why! I get you on the phone.
— We basketball on the playground when you phoned.
A. didn't; must be playing
B. couldn't; must be playing
C. couldn't; must have played
D. didn't; must have been playing
— Why! I get you on the phone. — We basketball on the playground when you phoned. A. did
答案:2 悬赏:80 手机版
解决时间 2021-03-23 02:56
- 提问者网友：寂寞梧桐
- 2021-03-22 22:54
最佳答案
- 五星知识达人网友：老鼠爱大米
- 2021-03-23 00:15
A. didn't; must be playingB. couldn't; must be playingC. couldn't; must have played(答案→)D. didn't; must have been playing解析：解题的关键在第二空。must be doing表示对目前下在发生的情况的推测，而根据题干的时间提示… when you phoned，可知是谈虎色变论过去情况，因此排除A、B现两项。must have done 表示对过去已经发生的行为进行推测；must have been doing表示对过去正在进行的动作推测。句意：你打电话来的时候，我们一定在在操场打蓝球呢。由此判定答案为D。
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- 1楼网友：野慌
- 2021-03-23 01:32
哦，回答的不错
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