题目内容
- Someone is knocking at the door. Is it Ann?
- It_______ be her. She is giving a performance at the theatre now.
A. may B. must
C. can't D. mustn't
C
【解析】
试题分析:句意:--某人正在敲门。是安吗?--不可能是她。现在,她正在剧院中进行演出。分析:表示否定猜测用can’t。表示肯定猜测用must.故选C
考点:考查情态动词的用法。
选用适当的词,并用其适当形式填空 (10分)
how either is dangerous feel better lost swimming weather with |
Summer is coming. The 1. becomes hotter and hotter. A lot of people like 2. in the swimming pools or in the sea. They think water makes them 3. cool. But some people are not careful enough. They often think they can swim 4. than others and they don’t have to worry about anything. So these years, many accidents happened and some people 5. their lives. Most of them were students. As we all know, safety is the most important. Do you know 6. to protect (保护) yourself? To protect yourself, you must be careful. Remember not to swim in a 7. place. Don’t swim alone, and when you see a “No Swimming” sign, don’t swim, 8. . Of course, you can swim 9. someone who can keep you safe. If you remember these, swimming 10. safer.