The naughty boys broke the window. The teacher looked ________.
My grandmother________a lot of changes in Tianjin since she came here.
—We’re supposed to recycle paper and bottles.It can help the environment.—________.It can save money,too.
The number of books in the bookshop is about 10,000 and a number of them________about science.
Would you please________my baby while I’m cooking?
—Why are you standing there,Mingming?—Two tall boys are sitting________me,so I can’t see the blackboard clearly.