【题目】— Look! The girl with long hair is drawing a picture. Is she Sandy?

【题目】 I thought about ______ over and over in my head and finally worked out how to do it.

【题目】Let's meet at the school(大门)tomorrow.

【题目】He is terrified of________alone in the street at night．

【题目】The number of books in the bookshop is about 10，000 and a number of them________about science．

【题目】-- Don’t cross the road when the traffic lights are red.

【题目】— Why don’t we go swimming tomorrow?

【题目】She is standing in the(中间)of the classroom.

【题目】—We’re supposed to recycle paper and bottles．It can help the environment．