--- ________ David be the new chairperson of the Students’ Union?
--- He _______ be, but I’m not sure.
| A．Can; can’t | B．Can; may |
| C．May; must | D．May; mustn’t |
—Talking loudly in a library is impolite.
—In fact, we should also take care not to cough or sneeze loudly in public.
| A．look after | B．be careful | C．take care of | D．look up |
—Jim, is your brother in?
—No, he is reading in the library at the moment.
| A．right away | B．at times | C．right now | D．at once |
—I don’t know _______________．
—Don’t mention it． He is always so strange．
| A．what the matter with him | B．what is the matter with him |
| C．what matter with him | D．what the matter is with him |
—_________ terrible news ! Heavy snow and serious earthquake !
—Yeah，__________ I hope to fly there and help them．
| A．What；how | B．What a；How |
| C．What；How much | D．How；How much |
—All the happiness was_________ when we heard the bad news from Yushu．
—But what happened to you ?
| A．disappeared | B．missed | C．lost | D．gone |