This new kind of chemical will help keep the air, soil and water________ from pollution.
A.empty B.loose C.free D.short
You ________ worry about it , as everything has been settled now.
A.shouldn’t B.needn’t C.can’t D.mustn’t
I fixed my eyes upon the newcomer, wondering whether I ________ him somewhere before.
A.saw B.has seen C.had seen D.would see
________ worries me a lot is that I keep forgetting what I have just done.
A.As B.What C.That D.It
Remember to ________ a good state of mind even if you should fail plenty of times.
A.take up B.brush up C.get up D.keep up
Some classmates are against my plan while the majority are ________ it.
A.in view of B.in favor of C.in honor of D.in memory of