— Why are you still here? Everybody has gone to attend the lecture by the president.— Oh, I about it!
How _____ you say that you really understand the whole story if you have covered only part of the article?
It has been announced that candidates _____ remain in their seats until all the papers have been collected.
Parents must take good care of their children, _____ they?
He must be in the reading-room, _____ he?
It was 4:25 a.m. _____ the ambulance arrived to take the body of Miss Lee.