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The research mainly deals with the difficulty the students have their attention pm their

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解决时间 2021-01-03 17:56
  • 提问者网友:佞臣
  • 2021-01-03 01:28
The research mainly deals with the difficulty the students have their attention pm their study all the time.
A. to focus
B. to be focused
C. focusing
D. focused
最佳答案
  • 五星知识达人网友:骨子里都是戏
  • 2021-01-03 02:17
A. to focusB. to be focused(答案→)C. focusingD. focused解析:have difficulty (in)doing sth在做某事方面有困难 the students have…为定语从句,省略了连接词that.故选C
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  • 1楼网友:慢性怪人
  • 2021-01-03 03:43
你的回答很对
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