1. 我今天值日,必須早到校。

I’m                         today, and I must get to school early.

2. 你能盡快把它還給我嗎?

     Could you please           it.            to me as soon as possible?

3. 他經(jīng)常夢想到那所著名的大學去進一步深造。

     He often                        entering that famous university for further study.

4. 他不小心跌倒并摔斷了左腿。

     He was not careful. He                         and broke his left leg.    .

5. 恐怕普通人買不起這么貴的房子。

I’m         that ordinary people can’t           to buy         an expensive house.

6. 到目前為止,蓋茨夫婦已捐贈了240億美元幫助窮人。

          , the Gates have                        twenty-four billion dollars to help the pool people.

7. 必須采取措施防止此類事故再次發(fā)生。

    Something must               to     his kind of accident                  again.