The question is very important. It really needs _______.
A.carefully discussing | B.carefully to discuss |
C.to carefully be discussed | D.being discussed carefully |
The haze or smog was so serious that the winter running _________.Some students complained as they ran
A.could have cancelled | B.should have cancelled |
C.must have been cancelled | D.ought to have been cancelled |
—What about __________ lecture yesterday?
—Well,__________ most boring one indeed.
A./;the | B.the;a | C.the; the | D./;a |
The doctor must be _______ 24 hours a day, 7 days a week in the boarding school.
A.on call | B.by hand | C.in sight | D.on spot |
What was considered impolite years ago has become ________now.
A.accessible | B.adjustable | C.unbelievable | D.acceptable |
Which way do you enjoy _______ the coming winter holiday, staying home or going on a trip to Europe?
A.spending | B.spend | C.to spend | D.to be spending |