_____Friday afternoons，many students are sleepy after a long week of classes． A．
题型：不详难度：来源：
_____Friday afternoons，many students are sleepy after a long week of classes．
A．In B．On C．At |
答案
| B |
解析
| 考察介词.在表示时间时,in表示在一个时间范围,on表示在具体某一天,at表示在具体时刻.根据题意,星期五下午是具体某一天,故选B. |
举一反三
The two girls walked _______ the jungle and got to a wooden house.| A．through | B．cross | C．across | D．over |
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| Drinking a glass of yoghurt is good your health. |
| ---What’s the matter your computer? ---It doesn’t work. |
___ the morning of June 25, they visited the factory.
In B. On C. At D. From |
| Please call me ________ 9543526. |
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