3. Jack made his sister tidy up his bedroom.(改為被動句) 

His sister     up his bedroom by Jack.

2. Alice saw something strange in the sky.(改為一般疑問 句) 

    strange in the sky?

1.We read some articles on keeping pets last month.(改為否定句)

We   articles on keeping pets last month.

2. 長隆大馬戲再過半小時就要開始了，請盡快買一張票。

The Chimelong Circus will begin in half an hour. Please buy a ticket     .

1. 他年紀大了，不能頻繁出游。

He is unable to travel frequently   his old age.

9. 現(xiàn)在很難看見這種動物生活在野生環(huán)境中了”

Now it is difficult to see this kind of animal living   .

10. 1 looked back over my (肩膀) and saw a man watching me.

9. He gave me a (警告) that if I didn’t clean the floor,he would beat me.

8. The young lady asked the children not to play with (剪刀) .

7. 1 don't think he will have enough (勇氣) to do the work.