题目内容

There are some ______________in these ______________.

A. knifes pencil-boxes
B. knives pencil-box

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____writer is better known in China, Charles Dickens or Mark Twain?

A. Which
B. Whether

Kate and her sister went to holiday with a cousin of _____.

A. their
B. theirs

The boy ____ ill today.

A. are
B. is

I ____ a worker next year.

A. am
B. will be

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