.......... mistake, I took the wrong book from my desk this morning.

She was very surprised________ the grade she received.

Look at the leaves ............. that tree. They’re ........... a beautiful colour.

I always come _____ school _____ foot.

Courses like shoemaking or glass engraving provide people___________ practical skills they can do with their hands.

This summer, he will be eligible _______ a three week vacation.

He is __________ a lot of study pressure to win a place at university.

He is looking .......... his glasses.

Smoking is harmful _____________ our health.

Mark Twain based the story ______his experience in the West.

Pay attention _______all traffic signs when you are travelling in the street.

I am sure he didn't break the plate ______ purpose.

How would the mind deal _____________ the psychological tension?

I want you to arrange these .......... order by putting the largest first then the next, and so on...

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

There is an increasing demand _____ taller building in big cities.

We just rested _________ a short time.

It was very nice__________ him to give me a lift.

Contrary ......... what most people used to believed, these minerals are not renewable.

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

Mrs. Liz was accused _______ having stolen the car.