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

I recognized John （ ） he entered the room.

Patients’bills of rights require that they （ ） informed about their condition and about alternatives for treatment.

We mention the importance of giving up smoking once and again, but hardly ______ it.

The film （ ） him of what he had seen in China.

He made another wonderful discovery, （ ） of great importance to science.

（ ） five hundred people are believed to have drowned.

（ ） has already been pointed out before, English grammar is not a set of dead rules.

You （ ） read the article if you don’t want to.

It was suggested that （ ） big event like the Year of Russia in China should certainly benefit （ ） relationship between the two countries.

—Professor Wang, must I hand in the paper this week? —No,（ ） . You can hand it in next week.

It is very expensive to （ ） the fashion.