She was very surprised________ the grade she received.

She saw a butterfly .......... the window.

China became the third country in the world to be able to independently carry __________ manned space flights.

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

This organization is quick ... sending relief goods to the flooded areas.

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

Did you have a good time _____ Christmas?

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

What time did they arrive .... London?

I'm interested (at/in/on/of) current events.

Mr. Johnson said he was ......... favor of doing the work right away.

He wore a hat, which made him look _______________ a spy.

.......... the past, people did a great deal of work by hand.

People who are afraid ___ heights are called acrophobes.

The river Rhine flows _____ the North sea.

On behalf_____________ our group, he made a speech at the meeting.

He has been absent ____ school very often lately.

Your friend is always complaining__________ her job.

He is looking .......... his glasses.

We have to apply effective measures to save many plant and animal species ........ extinction.

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