—Do you know Jim quarrelled with his brother?

—I don't know , ________ .

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In Australia he made a lot of friends ________ a very practical knowledge of the English language.

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On a cold winter day, the man left his wife and eight-month-old daughter,_______.

[　　]

A．and never to be heard of

B．to be never heard of

C．never to be heard of

D．and never being heard of

It was in the bookstore ________ I met your brother the other day.

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When you read a book, you'd better make a mark ________ you have any questions.

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Tom's mother kept telling him that he should work harder, but ________ didn't help .

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We all know the truth ________ there are air, water and sunlight, there are living things.

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If you want to make progress in ________ English, don't be afraid of ________ .

[　　]

Have you any comments to make ________ the book ________ Shakespeare?

[　　]

I don't like reading very much, ________ magazines and ________ .

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