You ______ wash your hands before meals. It is good for your health. A. may B.
题型：不详难度：来源：
You ______ wash your hands before meals. It is good for your health.
A. may B. can C. must |
答案
| C |
解析
试题分析：A. may表推测，可能 B. can 能够 C. must必须，肯定推测，根据句意：你必须饭前洗手，这对你的健康又好处，be good for对……有好处；故选C. |
举一反三
— No, you ______.
A. needn’t B. mustn’t C. won’t |
- _______ I take my umbrella with me?
- _______ better to do so. The weather is changeable.| A．Must; You"d | B．Shall, It"s | C．Need; You"d | D．Would; It"s |
|
-May I watch TV now, Mum?
-No, you_______. You_______ do your homework first.
A. don"t; must B. don"t; can"t C: can"t, must D. can"t; can |
It"s the library! So you_______ make any noise here.| A．mustn"t | B．won"t | C．need | D．may |
|
－I’d like to help the homeless people in the earthquake.
－You ________ join a volunteer group. | A．must | B．need | C．can | D．couldn’t |
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