You’ve been watching _______ 8:00. It’s time to do your homework.A．atB．byC．forD．
题型：不详难度：来源：
| You’ve been watching _______ 8:00. It’s time to do your homework. |
答案
| D |
解析
| 本题考查介词含义的区别。本题的含义为自八点以来，你一直在看电视。该是你做作业的时候了。Since表示自从的含义，引导时间状语或时间状语从句，主语或主句通常使用完成时态，since符合本题的含义；而at用于时间前表示在的含义，for后跟时间长度，by后跟时间可以表示到……为止的含义，后三者与本题意思不符，故本题选D。 |
举一反三
| Jack’s sister has been a tour guide _______two years ago. |
Those two boys are twins, _______, they look very different.| A．except | B．but | C．however | D．because |
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_______, what’s your hobby?| A．In the way | B．On the way | C．To your way | D．By the way |
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Where is Jane? Everyone is here_________ her.| A．besides | B．with | C．about | D．except |
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Thanks ____ the photo ____ your family.| A．of, for | B．for, of | C．of, of | D．for, for |
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