-- It's a leather（皮制的）one. It's red and I like it very much.

A．two meats

B．two pieces of meats

C．two pieces of meat

--- Boys and girls, please clean the classroom ________.

--- Yes, Miss Green.

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He doesn't like English ________ Chinese. But he likes maths.

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Jim and Tom are twin brothers, but they are in ________ classes.

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There ________ on Bill's bed. ________ blue.

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A．is a jean; It's

B．are jeans; It's

C．is a pair of jeans; They're

D．is a pair jeans; It's

Betty ________ her homework.

[　　]

Tony's brother often buys CDs ________ favorite singers.

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