________ your favourite colour? (    )

A．What

B．What's

C．How

—________(  )
—We are playing ping-pong.

A．What do you do?	B．What are you doing?
C．What are you?

Rewrite the sentences（根据要求改写句子）
【小题1】There are some pebbles in the bottle.（改成一般疑问句）
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【小题2】They are old policemen.（改为单数）
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【小题3】He is happy.（加入sad改为选择疑问句）
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【小题4】Sally is hungry and tired.（对划线部分提问）
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【小题5】They are new books. They are Andy’s.（合并为一句）
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When ________ grandma born? (    )

A．were

B．is

C．was

你想知道对方假期干了什么，问：_________ (   )

A．Where did you go during your holidays?

B．What did you do during your holidays?

C．Where will you go during the summer holidays?