—Do you regret not having accepted their invitation?—Why should I? I as much, but I’m glad to devote myself to what interests me most.
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.
The manager of the company asked ________.