—Mind your steps, guy! Don’t you see the words “_______ the grass”?—I’m sorry.
There are three books on the floor. Please __________________.
---What do you like about our school? ---_____________
He____________ down the hole and _____________ very sad.
After stopping the car and drinking some water, Tom__________ feel sick________.
—___________Mr Zheng ___________ Beijing last week? — No, but he ___________ Beijing with his son next year.