We areall aware____________ the importance of the environment protection.

He is retired. He lives________________ his pension.

Reviewers describe books _______ “hard-to-put-down”, or “hard-to-pick-up-again”.

Vietnam carried _________an intensive program for its athletics, which included training in facilities, both home and abroad.

I write letters _______ my right hand.

The war victims suffered terribly______ cold and hunger.

May I introduce you .......... Mrs Brown?

If you don't know the meaning of the word, look it __ in the dictionary.

He succeeded ________ getting a scholarship.

In English lessons we always speak ___________ English.

I must try and look_____________ my notes before the exam.

Your request _______ a scholarship has been taken into account.

Ken prefers Chinese food________ French food.

He admitted having opened the suitcase ______________ asking its owner.

You don't like it, do you? ... the contrary, I love it.

My plan is similar ____________ yours, but it is different Ken’s.

Today, women are increasingly involved ....... the politics.

She is absent _______ class.

I'm very grateful .......... her ......... help.

She said to me “why don’t you relax___________ a while?”

Mark Twain based the story ______his experience in the West.