Neither of them knows the difference ______ the two and we can’t tell one ______ the other, either.
A. between; between B. among; from C. among; between D. between; from
— Smoking is bad for your health.
— Yes, I know. But I simply can’t ____________ .
A. give it up B. give it in
C. give it out D. give it away
It was only when I reread his poems (ʫ) recently _____ I began to appreciate their beauty.
A. until B. that C. then D. so
I ______ her to work hard at English, but she didn’t listen to me.
A. advised B. tried to persuade
C. hoped D. suggested
—How long ____ you ____ in Singapore?
—For just the weekend． I’ll be back next Monday morning．
A．have; stayed B． are; staying C．did; stay D．do; stay
Every possible means ___ to prevent the air pollution, but the sky is still not clear．
A．is used B．are used C．has been used D．have been used
