I don’t think the newly-directed film by Zhaowei is asinteresting as people say, _______?

It was decided to _____ the search when there was no hope of finding the missing girl alive.

Wolves usually hunt ______a team and then they share their prey (猎物).

Where’s that report? —I brought it to you ________ you were in Mr. Black’s office yesterday.

When it _____ air pollution, Beijing faces the 3 “C” s: cars, coal and construction, which lead to Beijing’sserious air pollution.