I enjoy my new life here. But I still miss my old friends from time to time. Here the underlined part means .

Where do you live, Jack?—I live on the _____ floor. My room is No._______.

The teacher tells us not to_________[lɑ:f] at others.

In China it is a custom to give kids lucky money, _______ during the Spring Festival.

We must try our best to the river being polluted any more.