( ) My mother works _____ a bank . A. in B. on C. at
当你和怀特老师告别时,你会说:A. Hello! Miss White B. Goodbye! Miss White
当吴一凡向别人介绍自己时,他会说:A. Hello! I’m Wu Yifan B. Hi! I’m Sarah
指着书桌时,你可以这样说:A. Pont to the chair , B.Point to the desk.
当别人送你东西时,你应该礼貌地说:A. Hello!. B.Thank you.
询问别人某物有多少时,你可以这样问:A. How many? B.What’s this?