题目内容
15.--Hurry up.The bus is coming!--Oh,no,we should cross the street______ the traffic lights are green.( )
| A. | after | B. | since | C. | before |
分析 --快点,公共汽车来了!
--哦,不,我们应该在交通灯变绿之后过马路.
解答 答案:A考查常用介词的辨析.after意为…之后,since意为自从;before意为在…之前,根据句意应该是在交通灯变绿之后过马路,选择A.
点评 考查常用介词的辨析.掌握介词的基本用法,选择符合题意的介词是做本题的关键.
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