We found ________ necessary to protect the environment.A．itB．thisC．thatD．what

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We found ________ necessary to protect the environment.

A．it

B．this

C．that

D．what

答案

解析

略

举一反三

The weather in Beijing is cooler than ________ in Guangzhou.

A．this

B．it

C．that

D．one

题型：不详难度：| 查看答案

There is _________in today"s newspaper.

A．new anything

B．new something

C．anything new

D．something new

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-- May I use your pen? Mine is broken.
-- Of course, here are two and you can use ________ of them.

A．both

B．every

C．any

D．either

题型：不详难度：| 查看答案

We can"t buy anything because _________of the shops are open at this time.

A．all

B．some

C．any

D．none

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- Please write to me when you have time. -- Sure. But ________is your e - mail address?

A．when

B．where

C．what

D．which

题型：不详难度：| 查看答案