The pupils here all kinds of exercises every day in the past few weeks.
A. keptbusydoing
B. keepondoing
C. havekeptbusydoing
D. havebeenkeptbusydoing
Thepupilshereallkindsofexerciseseverydayinthepastfewweeks. A. keptbusydoingB. keepondoing
答案:2 悬赏:10 手机版
解决时间 2021-02-23 10:09
- 提问者网友：不要迷恋哥
- 2021-02-22 14:12
最佳答案
- 五星知识达人网友：酒者煙囻
- 2019-05-19 20:33
A. keptbusydoingB. keepondoing C. havekeptbusydoing(答案→)D. havebeenkeptbusydoing解析：keep sb.busy doings sth.表示使某人忙于，完成时的被动形式应为have been kept busy doing sth.。
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- 1楼网友：不如潦草
- 2020-07-02 17:30
谢谢解答
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