—You've agreed to go.So aren't you getting ready?—But I that you would have me start at once.
The haze or smog was so serious that the winter running _________.Some students complained as they ran
—What about __________ lecture yesterday? —Well,__________ most boring one indeed.
The doctor must be _______ 24 hours a day, 7 days a week in the boarding school.
What was considered impolite years ago has become ________now.
Which way do you enjoy _______ the coming winter holiday, staying home or going on a trip to Europe?