【題目】—Must they clean the classroom now?
—No, they ______.
A.can't
B.needn't
C.mustn't
D.don't

【答案】B
【解析】句意:――他們必須現(xiàn)在打掃教室嗎?――不他們不必。A.can't不能,表示能力;不可能,表示否定的推測;B.needn't不必;C.mustn't不準,不允許,禁止;D.don't不。must表示必須,mustn't不得,不準,不允許,needn't不必。因此,must的一般疑問句作否定回答用needn't。故選B。

練習冊系列答案
相關習題

科目:初中英語 來源: 題型:

【題目】It's (possible) for these workers to finish the work in two days. They need a week at least.

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】--I have great ___ in learning physics and I’m so worried. Could you help me?

---Sure, I’d be glad to.

A. interest B. fun

C. trouble D. question

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】We lost the game, ______ everyone played well.

A. because B. although C. if

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】It's nice to go a walk ______ a spring evening.
A.for; on
B.at; on
C.to; on
D.to; in

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】What your English name?

A. are B. is C. / D. am

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】-Hello, Jack.What are you doing?

- ________!

A. OK B. Reading a book C. That’s all right.

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】—What a clear blue sky!

—Yes, I have never seen sky.

A. a more beautiful B. a most beautiful

C. the more beautiful D. the most beautiful

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Are you afraid tigers?
A.at
B.to
C.of

查看答案和解析>>

同步練習冊答案