Only those who have tasted bitterness will （ ） among others.

Some expensive drugs can be economical （ ）.

Could you please _____ why you can’t come to attend the meeting?

It is generally agreed that the Internet has brought people together （ ）.

Mr. Herpin is one of the foreign experts who _____ in China.

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

He （ ） me to give up the holidays in Spain next month.

Fast food doesn’t seem like a good idea, for it is （ ）.

No one except two servants （ ） late for the dinner.

Do you mind if I （ ） the mistakes in your report?

We arranged to meet at the station but she did not （ ）.

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