—Have you been to the Great Wall?
—Perhaps not in my memory. ________, it might have been during my early childhood.
| A．If any | B．If so | C．If ever | D．If not |
You ______ be driven out of the school if you dare to cheat in the exam.
| A．should | B．would | C．will | D．shall |
On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
| A．to seeing | B．to see | C．seeing | D．to have seen |
We hadn't met for 20 years, but I recognized her_____ I saw her.
| A．the moment | B．for the moment |
| C．the moment when | D．at the moment when |
--- “What do you think of the service here?”
--- “Oh, ______. We couldn’t have found a better place.”
| A．too bad |
| B．sorry |
| C．wonderful |
| D．impossible |
It is often said that _______ teachers have ______ very easy life.
| A．不填;不填 |
| B．不填;a |
| C．the;不填 |
| D．the; a |