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We should _________________
_________________
keep our rooms clean and the air fresh.
How to prevent the flu?
We had better _________________
_________________
wash our hands and change clothes often.
We’d better not ___________
eat bad food.
How to prevent the flu?
We mustn’t ______________
spit everywhere.
We must ______________
______________
do exercise often to build us up.
Before listening to 1a and answer the questions,let's revise some phrases.
1. right now
2.ring him up
3.leave a message
4.go ahead
5.tell my father not to forget...
6.give him the message
.
1a
立刻、马上
打电话给他
留信息，留口信
开始
告诉我爸爸不要忘记......
给他留言