---Must I water the flowers right now?---No, you ________ . You may do it after

题型：不详难度：来源：

---Must I water the flowers right now?
---No, you ________ . You may do it after supper.
A. mustn"t B. needn"t C. can"t

答案

解析

试题分析：句意：上句我必须马上浇花吗？下句不，你不必，你可以吃过晚饭在做。对于must 开头的的一般疑问句用needn"t作否定回答。故选B。

举一反三

—Amy , I would like your uncle to help me repair the computer.
—Sorry, he _____help you today . He won’t come back until tomorrow.

A．shouldn’t

B．may not

C．can’t

D．mustn’t

题型：不详难度：| 查看答案

---Mum, I cut myself just now.
----You ______put some medicine on it.

A．should

B．need

C．must

D．will

题型：不详难度：| 查看答案

This book______Tom’s,because his name is on the book.

A．maybe

B．may be

C．must be

D．must

题型：不详难度：| 查看答案

- Tom, where is your father?
- I’m not sure. He _______ in his office.

A．must be

B．may be　

C．maybe

D．need be

题型：不详难度：| 查看答案

- It took me nearly 40 minutes to ride here.
- Have a drink, please. You _________ be thirsty.

A．will

B．must

C．should

D．can

题型：不详难度：| 查看答案