---Dad, must we wait until the light becomes green?---Yes,I’m afraid we .Th
题型：不详难度：来源：
---Dad, must we wait until the light becomes green?
---Yes,I’m afraid we .That’s the traffic rule.| A．can | B．may | C．have to | D．need |
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答案
| C |
解析
试题分析：爸爸，我们必须等到变成绿灯吗。是的，我们恐怕不得不等到绿灯，这是交通规则。have to 不得不，强调客观原因。故选C。 |
举一反三
All of us must do_______ to help protect the environment，or we will have more hazy weather雾霾天气. | A．something useful | B．anything useful | C．useful something | D．useful nothing |
|
—I ________ speak English in class because I’m afraid of making mistakes.
—Don’t be shy. Believe in yourself and everything will be OK. | A．needn’t | B．dare not | C．dare not to | D．needn’t to |
|
Must we finish all the homework today or tomorrow?
– You ____ worry about it. You may hand it in next week. | A． mustn’t | B．can’t | C．needn’t | D．shouldn’t |
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—Is this Toby’s iPhone5，Jenny ?
—No，it________be his. His is black
A. muctn’t B. can’t C. may not. |
I ________ be a little bit slow, but at least I don’t make foolish mistakes. | A．should | B．may | C．must | D．need |
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