问题
填空题
| 用适当的情态动词填空。 | |
| |
| 1. _____ I come in, Miss Zhang? 2. An apple a day _____ keep the doctor away. 3.You _____ play football in the street. 4.It’s raining heavily. You _____ stay here. 5.The doctor isn’t here. You _____ wait. |
答案
1. May 2. can 3. mustn’t 4. should 5. need