—Areyousureyouhaveto?It’sbeenv

— Are you sure you have to ? It’s been very late.
— I don’t know __________ I can do it if not now.

A．where

B．why

C．how

D．When

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相关试题

–Is this your map?
--__________.

A．Yes, it isn’t.	B．Yes, this is.
C．No, it isn’t.	D．No, it is.

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Please say it ____ English?

A．on

B．in

C．at

D．for

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Could you tell me the ________between the twins. They almost look the same.

A．families	B．vacations
C．differences	D．ideas

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---Are you free next week?
----I don’t think so. These days I’m very_________.

A．happy

B．tired

C．full

D．hungry

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---Did you have fun in the countryside yesterday?
---Yes ._______,we felt cold and tired in the end.

A．But	B．However
C．Because	D．Although

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