1. People are busy _________ their Christmas trees.

A. decorate　　　　　　 B. decorating　　　　C. decorated　　　　　　 D. to decorate

4. The plane tickets cost 500 yuan. (划线提问)

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3. We’re going to invite him to our wedding.(改为否定句)

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2. It takes 30 minutes to finish doing my homework. (划线提问)

_________________________________________

1. Jackie has got a photograph from his uncle. (一般疑问句)

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5. Alice is _______(helpful) than Kitty.

4. He　studies　_______(hard)　than　I　do, so　that　he　often　gets　high　marks

3. Chinese　is　_______(difficult　)　than　French.

2. An　elephant　is　________(big)　than　a　horse.

1. Tom is much______(quiet) than his friends.