练习答案 Key to written exercises
Lesson 64
A
1 Jimmy is better now but he mustn't get up yet.
2 Jimmy has a cold and he must stay in bed.
3 Jimmy can get up for two hours each day.
4 Jimmy often reads in bed.
5 Jimmy listens to the stereo, too.
6 Jimmy doesn't feel ill now.
B
1 Don't take any aspirins!
You mustn't take any aspirins!
2 Don't take this medicine!
You mustn't take this medicine!
3 Don't call the doctor!
You mustn't call the doctor!
4 Don't play with matches!
You mustn't play with matches!
5 Don't talk in the library!
You mustn't talk in the library!
6 Don't make a noise!
You mustn't make a noise!
7 Don't drive so quickly!
You mustn't drive so quickly!
8 Don't lean out of the window!
You mustn't lean out of the window!
9 Don't break that vase!
You mustn't break that vase!