The doctor tried to do an experiment to find out the （ ） of the medicine on the mice.

（ ） all her friends and money gone, Kate felt totally hopeless.

—Shall we invite Tim? —No， it’s too late to invite any more people. _____， he hates parties， you know.

He began to take politics _____ only when he left school.

He announced that the company had been transferred to （ ） city．

The most important is not_____ you do, but_____ you do it.

You needn’t introduce him to me. I’ve met him on several _____.

You two have got a lot_____.

The local government is trying all out to find out who is （ ） the forest fire.

It was not known （ ） he had said during the interview.

The accident in which two people were seriously injured resulted （ ） careless driving.

I _____ him last night, but I was too busy.