You _____ walk too close to the edge of the path because you might fall and hurt yourselve.
A. may B. might
C. needn’t D. mustn’t
—Will computers _____ more than books in the future?
—Maybe, I think.
A. use B. to use
C. be used D. uses
We _____ the festival since the first pioneers arrived in America.
A. celebrates B. celebrating
C. celebrated D. have celebrated
Betty only planned _____ the opera for an hour in Lao She Teahouse.
A. watches B. watching
C. watched D. to watch
My uncle is very kind-hearted. And he _____ helps the people who are in trouble.
A. always B. seldom
C. never D. sometimes
In China, we usually _____ a gift with both hands and open it later.
A. drop B. accept
C. rise D. invite