We areall aware____________ the importance of the environment protection.

He was .......... himself with rage.

She is always fed up .......... washing dishes after dinner.

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

Are you acquainted _____ the lady?

Instead ......... .petrol, cars will only run .......... solar energy and electricity.

We might need more food, depending ____ how many people turn up.

This variety of seed is inferior ______ the type I planted last year.

Mrs. Brown is often worried ___________ money.

Was your choice of research topic acceptable _____ your instructor.

The river Rhine flows _____ the North sea.

Yesterday, I was talking ______my doctor ______a mysterious epidemics near here.

If you look __________ the book, you can find what you need.

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

Helen takes____________ her mother in many ways.

That singer has become very popular (at/with/to/of) the youth.

Every student should spend .......... least two hours on his homework every night.

Pierre said he had become quite fond ______________ American hamburgers.

The boy is afraid (of/on/in/about) snakes.

......... the most part, his explanations are quite easy to understand.

Gas is made .......... coal.