----Any news about Bill Clinton? ----He left power three years ago and has a little now and a little then been ______.
--Is this the office ________ your parents are working now?--No. They are working in the next one.
About seventy percent of the population in China _______ farmers.
--I saw Mr. Smith at Wuhan Station this morning.--You ________ have made a mistake. He’s still on holiday in Canada.
The girl student ________ to stay at home rather than go to the concert with the naughty boy.
He is so smart a student that he can make himself________ in simple English. That’s the reason why we like to talk with him.