【题目】The trees need ____.

【题目】“85%of the students in our class like English. ”means “ _____students in our

【题目】Thinking back (in/ on) the past three years, I have learn a lot from you.

【题目】How much does the woman need to pay?

【题目】I don't think Ken did such a stupid thing, __________?

【题目】—Do you know that we will have a few days off work next month?

【题目】Everyone writes his best wishes (on/ at) the back of each photo.

【题目】After joining the WTO, the /treid/ between China and other countries has increased.

【题目】Everyone prepared (dozen/dozens) of presents and exchanged them with each other.

【题目】What does the boy want to be when he grows up?