He is very worried ......... his new job because he is not quite prepared .......... working.

Life is just one trouble .......... another.

Toxic chemicals in the air and land have also driven many species ______ the verge of extinction.

_____ the children left, the house was very quiet.

Smoking is harmful (for/with/to/about) our health.

He suffers .......... headaches.

We rejoice .......... her success.

We were very disappointed _____ the organization of the festival.

He stayed home .......... the rain.

We are proud (at /in/on/of) our people's heroic tradition.

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

When she arrived in Britain, she wasn't used to driving ......... the left.

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

I was delighted _____________ the present you gave me.

I saw Tom ............ a concert last Saturday.

Are you going away .......... the beginning of August or .......... the end?

People who are afraid ___ heights are called acrophobes.

His opinion is different _____________ mine.

It is important to have someone that you can confide ________.

We traveled overnight to London and arrived ............ 4 o’clock ........... the morning.

The plane took___________ very quickly.