Environment(环境) is very________，but you don’t understand the_______ of it，you always drop litter everywhere．
A. important，important B. important，importance
C. importance，importance D. importance，important
You can call me______0512-51234567 or e-mail me ____ lily@changshu.com.cn.
A. on, at B. at , on C. by , on D. on, on
I did my homework very , so my father shouted at me .
A. careless ; angry B. carelessly ; angrily
C. carelessly ; angry D. careless ; angrily
There are many fish in this lake, and the birds can catch _________ food.
A. it as B. them as C. them for D. they as
Mr. Green told us _____ turn the lights off when we leave the classroom.
A. not forget to B. not to forget
C. not to forget to D. to forget not to
Will you write a report ____ the wild animals ____ danger for the newspaper?
A. about, on B. on, in C. to, from D. in, with
