The computer is ________(广泛)used in our daily life．We can do many things with it．

It is dangerous to drive a car on ________(雪)days．

There will be less ________(pollute)in our city if we take action to protect the environment．

We hope the weather will be fine, but it is getting even ________(bad)．

The ________(shelf)in the library are very old．We need to buy some new ones．

Millie, I've left my dictionary at home．May I use ________(you)?

It's ________(friendly)of him to say such bad words to his classmates．

Hangzhou Bay(湾)Bridge ________(be)in service for more than a month．

How ________(quick)Betty answered the teacher's question!

If someone doesn't show good manners to others, he or she is ________(polite)．