-----Do you know how long the diameter of the Mars? -----It’s didmeter is 53%_____that of the earth?
Please come here next time. Mr. White ______ to Shanghai.
--- Did you and your friends ride to the mountain last Sunday? --- Yes. ________ we had !
--- Another cup of coffee? ---No. thanks. I _____ be off. Marry is waiting for me.
--- What’s your brother? ---He _______ a teacher, but now he is a doctor.
--- How long have you ________ Hong Kong? --- For two weeks.