kitchen and began to prepare supper.

　　3．You can't borrow books from the school library________you get your student card.

　　4．No sooner had he got home__________the telephone rang.

　　5．I had hardly got to the office__________my wife phoned me to go back home at once.

　　6．You can borrow my car as long __________you promise not to drive to fast.

　　7．No matter__________well prepared a gymnast is，he still needs a lot of luck in performing.

　　8．A number of high buildings have arisen__________there was nothing but ruins a year ago.

　　9．We were in such a hurry when we left__________we forgot the airline tickets.

　　10．The Great Wall is so well­known a tourist attraction__________millions of people visit it every year.

　　答案

　　1．when　2.Immediately　3.before/unless　4.than 5．when　6.as　7.how　8.where　9.that　10.that

Ⅲ.单句改错

　　1．While I came home my mother was cooking dinner.

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