Maintaining biodiversity is important _______ us in many ways.

John F. Kenedy was the first President to be born ____ the twentieth century.

He is a man .......... action.

Mark Twain based the story ______his experience in the West.

According ..... Bill, there's something wrong  ........ my computer.

Life is just one trouble .......... another.

That fashion magazine is full ___________ advertising for women’s clothes.

Your father is very kind__________ David.

We watched television ........... two hours last night.

We met a lot of people .............. our holiday.

Most of the streets were named __________ national heroes.

There’s really no need for you to be afraid ___________ the examination.

You should concentrate _________what the interviewer is saying and make a real effort to answer all the questions the interviewer asks.

I must try and look_____________ my notes before the exam.

The flood was responsible __________ damaging the crop.

Don’t ask me to decide, I’m not very good ............ making decisions.

When are you leaving _________ Hanoi?

You will find details of TV programmes .............. page seven.

Due to industrialization, we have to cope ... the fact that many  species are ......... danger ........ extinction.

She took me .......... my brother.

Ken was proud ______________ his good marks on the English.