The fact that so many people still smoke in public place ___that we may need nationwide campaign to raise awareness of the risks of smoking.

You’re supposed to keep the classroom .

e me, what time is it now— Sorry, my watch ________ It _________ at theshop

Misunderstandings________from lack of social communication，unless________properly，may lead to serious problems.

Two hundred of the tourists were saved from danger in Taiwan, but the rest ______ still missing． — If only the travel agency ________ more measures to prevent such accidents．