—Jim’s passed the English exam, ______he?—I am not sure. Either you or he _____ passed it!
It’s ________ to leave a child alone.
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.