The students are studying at home computers.A．inB．atC．on D．of
题型：不详难度：来源：
| The students are studying at home computers. |
答案
| C |
解析
| 考察介词。In在里面；at在一点；of表示属性。On表示在上面，通过某种媒介。句意：学生们正在家通过电脑学习。on computer固定短语表示通过电脑或者在电脑上。故选C。 |
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