______ your article carefully, some mistakes can be avoided. A. Check B. If you check C. Checking
There was _____ woman in the room, sitting and looking at me in the dark.
John is honest boy and good at making airplane model.
---Listen! Helen is singing in the next room.---It ____be her. She has gone to Beijing.
We ______ for a long time. Shall we play for a while?
--Help! Help! There is a big snake(蛇) near the house.---____afraid. It will go away later.