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

When are you leaving _________ Hanoi?

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

Smoking is harmful _____________ our health.

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

We benefit greatly ____________the medicines and other products that biodiversity provides.

......... general, that is true. However, there are many exceptions.

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

He didn’t even have the intelligence to call _________ an ambulance.

Mark Twain based the story ______his experience in the West.

A sign warned motorists ______ dangers.

Don’t you get tired .......... watching that TV programme every night?

He always prevents me_______ doing my duty.

She treated me .......... Cake, ice-cream and tea.

Your words are contrary (to/in/on/of) your acts.

This movie is based ________ a true story.

Your request _______ a scholarship has been taken into account.

Look! That car is .............. ! Someone calls the fire brigade.

Don't shout ___________ the child when he makes a mistake.

Thank you very much _____ what you have done for me.

Your work is .......... the average.