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_________________
keep our rooms clean.
How to prevent the flu?
We had better _______________
_________________
wash our hands 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.
2a
Listen to the conversation and fill in the blanks.
Mom:
Jane:
Mom:
Jane:
Mom:
Jane:
Jane, are you still watching TV?
Yes, Mom. I need to relax.
You ______________ watch TV too much. It’s bad for your eyes. And you ______ do your homework first.
I did, but I _________ finish it by myself. Can you help me with it, Mom?
You _________ do it yourself first. I have to do some cleaning.
Is Dad free today?
had better not
can’t