—Listen! Is Mary singing in the next room?—No. It _______ be Mary.She has gone to Shanghai for an important meeting.
Mary’s grandpa lives ______ in the mountain village. He tells her he feels very______. So she’s going to visit him next week.
— Would you like _______ shopping with me? —I’d like to. But I’m busy _______ my homework.
________ the government’s efforts, our life is becoming better and better.
Mr. Brownwantsto_____ adoubleroom ______﹩50permonth.
Rebecca ________ to Shanghai and she won’t come back until next Monday.