问题 填空题
从下面方框中选择适当的情态动词填空。
can't would may must shall should
1. _____ you be so kind as to keep an eye on my house while I
  am away?
2. — ___ I have a walk with you, Mum?
    — No, you mustn't.
3. All the students _____ obey the school rules.
4. We _____ help others when they are in trouble.
5. He _____ be tired.  He has just begun to work.
6. — ______ he use your bike?
    — Certainly. Here is the key.
答案

1. Would   2. May   3. must

4. should   5. can't   6. Shall

填空题
单项选择题 B型题