aged to reach the summit of hiscareer, but it was at the _________ of his health.

－Look, your sister is playing the pianoover there. －She ______ be my sister. She has gone to America.A. mustn’t B.can’t C.shouldn’t D. may not

The traffic accident _________allhis life. After that he was limited to a wheelchair.

–People now can know what is happening in the world quickly. –You’re right. With the help of computers, news can ______ every corner of the world.

One of my classmates _____ to see me tonight and we’ll talk about our school lives. [ ]