The website is not ... for teenagers. It’s unusable.

A. usage B. using C. use D. used

4: A. campaign B. sculpture C. hostess D. floppy

She is a .... girl.

A. communicate B. communicative C. communication D. communications

3: A. advent B. pizza C. survive D. rescue

Their .... is always good.

A. communicate B. communicative C. communication D. communications

A. royal B. unique C. remote D. extreme

Everyone has their ........ which are hardly recognized by themselves.

A. limit B. limited C. limitation D. limitations

A. alteration B. observe C. achievement D. specific

The Internet is one of the most important .... of our life.

A. invent B. invent C. inventing D. inventions

The Internet has .... developed nowadays.

A. increase B. increased C. increasingly D. incredible