You play computer games for a long time. It’s bad for your eyes.A．shouldB．
题型：不详难度：来源：
You play computer games for a long time. It’s bad for your eyes.| A．should | B．shouldn’t | C．could | D．don’t have to |
|
答案
| B |
解析
| 考查情态动词。Should 应该，shouldn’t 不应该，could 能，会don’t have to 没有必要，句意：你不应该长时间玩电脑游戏，对你的眼睛不好。所以选B。 |
举一反三
-- Must I come here at eight o’clock?
-No, you ____. You may come a little later. | A．mustn’t | B．needn’t | C．may not | D．can’t |
|
—Is Mr. Green in the office?
—No, he ________ be in the office. Look, the light in the office is off.| A．mustn’t | B．can’t | C．needn’t | D．may not |
|
--____ you come to my birthday party tomorrow, Robert?
--I’m afraid not. I have to study for my exam.| A．Must | B．Should | C．Can | D．Need |
|
I’m feeling much better now so you ______ call the doctor.| A．couldn’t | B．wouldn’t | C．can’t | D．needn’t |
|
| –________ you turn down your radio, please? –Yes, I can. |
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