A. 看外面,太危险了。 B. 小心!危险! C. 看看外面危险不?
A. Keep out of the grass.不要踩踏草坪 B. No parking.禁止停车。 C. No eating or drinking.禁止吃喝。 D. No littering禁止乱扔垃圾。
A. Please don't talk so loudly. B. to open the box first. C. Don't talk to John. He is busy. D. You go and tell him, Kris.
A. must sit down. Be sit down. C. sit down Do sit down
A. Do study hard. B. Study hard. C. To study hard. D. To hard study.
A. No entry! B. No litter! C. Go this way,please. D. Li Ming,come here.
A. 上楼直走。 B. 现在去楼上 C. 走,上楼! D. 马上上楼去!
A. Lock;go;Visit B. .to lock;to go;to visit C. Locking;going;Visiting
A. Cann’t,can B. .Don't;Don't C. Not to;mustn’t D. Must,to
A. much B. some C. any D. many