-不明飞行物的英语缩略形式是______。 A. UFO B. BBC C. NBA
─______ are your family going this summer holiday? ─To Dalian. We’ll stay there for a week.
Jenny isn’t doing ________ now. Maybe she can help sweep the floor.
─Which dress is _____, the blue one or the yellow one? ─It depends on you.
Laura __________ in the office for 4 hours. Tell her to have a rest, please.
— __________ we leave the library before 5 o’clock? — No, you needn’t. You can stay here until 5:30.