---Don’t run in the hallway, Ben. It’s dangerous!---_______.
The monkey was seen _________off the tall tree.
—What do you think about the idea?—I am really against _________ a running race in the street.
—Do you know whose dictionary it is?—It ________ be Ann’s. Look! Her name is on the first page.
—Why does John look so sad? —Lingling _________her ice cream on his new shoe.
—The boy is ________for his age. —Yes, I was much _______when I was his age.