.Watching TV too much ________ our study.
A. is good for B. is bad for C. is good at D. is good to
.—Does your brother often do exercise?—_____.So he is very strong and healthy.
A. Yes，he is B. No，he isn't
C. Yes，he does D. No，he doesn't
Only ten percent of the students ____ their mother with the housework after school.
A. help B. helps C. helping D. to help
I think the best way _____ is playing basketball with friends.
A. relax B. to relaxing C. to relax D. relaxing
One thing that is inexpensive in Paris, , is the wine.
A. though B. whatever C. however D. but
—_________ do you have PE lessons?
— Three times a week．
A. How long B. How soon C. How many D. How often
