We should plant many trees. trees , air pollution.
A. the more , the fewer B. the less, the more
C. the less, the fewer D. the more, the less
Don’t eat meat , It’s bad for your health .
A. too much B. much too C. too many D. many too
Go straight! Don’t look back me .
A. in B. on C. at D . from
The boy is sleeping. Please turn the radio .
A. on B. off C. up D. at
It him 2 hours to do his homework yesterday.
A. spent B. paid C. cost D. took
He is a worker.So far ,he here for 10 years.
A. teach B. taught C. has taught D. will teach
