The boy lost his key, so he has no choice but till his mother came home．
| A．waited | B．waiting | C．wait | D．to wait |
He is_______to have come back from the abroad.
| A．possibly | B．possible | C．probable | D．likely |
After a long walk, they have ________.
| A．given in | B．given back | C．given out | D．given over |
I was still sleeping when the fire______, and then it spread quickly.
| A．broke out | B．put out | C．came out | D．got out |
Unfortunately, the soldier died____ a wound in the chess.
| A．from | B．out | C．off | D．down |
As I met him, I didn’t _____him, for we haven’t seen each other for many years.
| A．know | B．know about | C．recognize | D．find out |