I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.

--- You ________ have bothered doing the washing-up. I could manage it myself. --- That’s OK, No problem.

—Must I finish my homework at school?— No, you_____. you can do it at home

—Is John coming by train?—He should, but he     not. He likes driving his car, but I’m not quite sure.

—Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phoned me from the farm just now.