It’s reported that the rainy days make me sad.

Is his school bag _____ the floor or _____the wall?[ ]

______ does Mary go to the Bubby Club? — Once a week. [ ]

The old man lives ____ in a _____ house, but he doesn’t feel_____.

The problem is very difficult. I’m afraid you can’t work it out now.—I fail this time, I will try it again.