Our study is very important____________ our future and useful_____________ our country.

She is serious (with/about/of/for) learning to be a doctor.

Mary doesn’t mind living ____________ her own.

On Christmas Eve children go to bed full ........ excitement.

She burst .......... tears.

She'll come home ______ April.

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

When are you leaving _________ Hanoi?

John missed a lot of lessons. He was ill _____ January to March.

We went ............. the theatre last night. We had seats ........... the front row.

If there was a technical failure, Gagarin might never get __________ to the Earth.

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

Someone left a box in the garden and I fell .......... it in the dark.

The Americanpeople shared ___________ the Soviet people their satisfaction for the safe flight.

We are ashamed (at/in/to/of) his behavior.

He aimed .......... the tiger.

What did Mr. Brown die ..........?

What do you often do ............ the evening?

Are you worried _____ the final examination?

We are looking forward ....... seeing you again.

Do you think we’ll find a solution ___________ the problem?