— Who found child at last?— The police. They found him in a corner of small room.
I’ll return the book to the library as soon as I________it .
________ is good for your health.
—Are there any trees on _____ sides of the new street?—Yes, there are.
While I _____ my homework in my room, my mother _____ in the kitchen.
We ____ _each other since I left Shanghai.