—Steve, ___do you play football after school?
---Twice a week. It can keep me healthy.
A. how far B. how soon
C. how long D. how often
--- How often do you go fishing?
--- .
A. Twice a week B. Twice C. A week D. Two times
We eat junk food, so we’re healthy.
A. always B. usually C. often D. hardly ever
Doing exercise good for your health.
A. be B. am C. is D. are
The teacher asked us not too much time playing computer games.
A. spend B. to spend
C. take D. to take
(2013四川内江)The old man is a good swimmer,and even now he often swims ________ Tuojiang River after supper.
A.over
B.through
C.to
D.across