从下面选择合适的短语,并用其适当的形式填空,补全句子.
in charge of
work all night
sleep during the dat
make one's teeth better
carry letters
a big business
all the time
at any time
before dinner
have violin lessons
less than
in time
1 .my cousin is apostman .he______to people every day.
2 .you have to return the books to the library______.
3 .jim always stays up late,so he likes______.
4 .bob sometimes does his homework______.
5.we must brush our teeth teice a day so that we can______.
6.where does your sister work now?
she is taking charge of_____.
7.what do you usually do on weekends?
my mother often makes me_____.
8 .hoe many boys are there in your class?
_____twenty.