I have a lot of friends, and ________ of them smokes.

It is not right ____ in public places. () A: smokes B: to smoke C: smoking

Don’t______. A: smoke B: smoking C: smokes D: smoked

Whether the guest smokes or not needn't be taken into account when arranging a room.

You’d better give up ______. A: smoking B: to smoke C: smokes

________ that the patient smokes 50 cigarettes a day, it would be reasonable to assume there is some lung damage.

Peter never smokes, ______ A: [A] doesn’t he B: does he C: is he

My father ……… too much! A: smoking B: is smoking C: smokes D: smoke

Do you mind my （） here A: smoke B: smokes C: smoking D: smoker

Whether the guest smokes or not needn't be taken into account when arranging a room. A: 正确 B: 错误