The children ______ very quiet; I wonder what they ____up to.
A. were; are being
B. are being; are
C. are; do
D. are being; do
The children ______ very quiet; I wonder what they ____up to. A. were; are beingB. are bei
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解决时间 2021-01-03 20:25
- 提问者网友:最美的风景
- 2021-01-03 04:05
最佳答案
- 五星知识达人网友:由着我着迷
- 2021-01-03 05:29
A. were; are being(答案→)B. are being; are C. are; doD. are being; do解析:be用于进行时可表示一个暂时的特点或表现。What they are up to相当于What they are doing。
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- 1楼网友:白昼之月
- 2021-01-03 05:39
你的回答很对
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