当不知道笼子里的是什么动物时,你可以问:________A.What's this? B.What time is it?
That is _____ new science teacher.A.we B. you C. our
He is short______strong.A.and B.or C.is
---Is Mr Black strict? ----- _____A.Yes, he is. B. Yes, he isn’t. C. No, he is.
_________ you have new teachers?A. Is B. Do C. Are
Who’s your English teacher?_------_______A.She’s tall and strong. B. She’s smart. C. She’s Miss Sun.