—Dad,mustIpractise thepianotoday?—No,you        _.You may doit tomorrow.
#76321
A
needn’t
B
mustn’t
C
shouldn’t
D
can’t
推荐题目
The flowers ________ every day, or they will die.
#76173
A
must water
B
can be watered
C
should water
D
must be watered
_____ people in the world are sending are receiving e-mails every day.
#77031
A
Million of
B
Many millions of
C
Several millions’
D
Several millions
Don’t worry. All the children will_____ arrive at school on time tomorrow.
#75043
A
are able to
B
can
C
be able to
D
can be able to
Some teenagers would rather _____ than _______ in their spare time. 
#75991
A
play computer games, doing exercise
B
to play computer games, to do exercise
C
play computer games, do exercise
D
playing computer games, do exercise