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

We must hurry up. We only have few minutes _______.

A. left    B. leaving  C. to leave   D. Leave

—Now lots of teenagers spend a lot of time playing computer games.

—Yes. Teachers and their parents should prevent them ____________ too much.

A. to play         B. play         C. plays        D. playing

Is Zhalong one of the world’s ________?

A. important wetland

B. the most important wetlands

C. most important wetlands

D. more important wetlands

— ______did the baby panda Xi Wang ______ when she was born?

— About 100 grams.

A. How heavy, weigh       B. What, weight

C. How many, weight        D. How much, weigh