He was in orbit around the Earth __________ a speed of more than 17,000 miles per hour.

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

Those books deal mainly_______ tropical plants.

I shall wait .......... you.

I must hurry. I want to get home ............. to see the football match on TV.

She has been living in the country________ the beginning of the summer.

My little son was interested ............... fixing broken objects and making new things.

Do you believe _______ ghosts?

She was sad because he was very rude ____________ her.

She intended to quit her job to stay ....... home and look  .......... her sick mother.

She was very angry _____________ Tom.

How would the body react__________ the extreme changes in temperature?

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

He is retired. He lives________________ his pension.

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

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

John F. Kenedy was the first President to be born ____ the twentieth century.

I write letters _______ my right hand.

William is big .......... his age.

I think your mother should let you make___________ your own mind.

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