句型转换
1. Danny bought a star yesterday. (对画线部分提问)
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2. This is a Christmas card. (变为复数句)
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3. Are you going to send a card? (作否定回答)
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She works hard ________ sports.

A．at

B．to

C．on

判断句子或对话是T否F正确： It’s an orange house. （_____）

It's _________ warm. (    )

A．to

B．two

C．too

--- What are those? (   )
--- jackets.

A．They’re

B．They

C．Those are