Every day, too much water        in our school. We should save it.

Here are the photos of my favourite football players       in Beijing.

The stones are so heavy. How _____ they _____ to the top of the building without modern machines?

---Please say“I’m here．”when your name _________.---Yes，Mr Smith．

— It’s difficult for the village children to cross the river for school.— I hear a new bridge _______ over the river in a year.