He said he _________ his work, and then we needed to wait for him for a little while.
—These things are not useful to anyone, are they? —______. We can throw them away.
—My sister took a photo with Jay Chou last year. —______.
Our English teacher suggested we ________ English as much as possible in class.
Remember to introduce your friend Stone to me when he arrives, ______?
______ young man standing there looks strong and healthy; however, as _________ matter of fact ,he has a serious disease.