【题目】—To save energy, we should the electricity when we don’t use it.

【题目】As students, we should study hard and try to ______ every day.

【题目】Forests are very important to human beings, a lot of water _____by forests.

【题目】The windows are _________ the wall.

【题目】The story is hard to understand, _____ there are no new words in it.

【题目】---How many students have visited the West Lake? ---________.

【题目】_____of the land in that area ______covered with trees and grass.

【题目】— Are Jack and Tim playing outside?

【题目】—Peterhasmadegreatprogressinmathrecently.

【题目】Her name is Ann Green. Her last name is __________ .