— Have you ever been to the Summer Palace?
— I can’t quite remember. _______, it might have been during my childhood.
| A．If any | B．If ever |
| C．If possible | D．If so |
Jim talked for about half an hour yesterday. Never ______ him talk so much.
| A．I heard | B．did I hear |
| C．I had heard | D．had I heard |
I want to buy that kind of cloth because I______ the cloth ______ well.
| A．have told; washes |
| B．have been told; washes |
| C．was told; washed |
| D．have been told; is washed |
--- Remember the first time we met, Jim?
--- Of course I do. You ______ in the library.
| A．were reading | B．had read |
| C．have read | D．read |
The train ______ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
| A．went | B．is going | C．goes | D．will be going |
The plane ______ at 7:00 pm, so I have to be at the airport by 6:40 at the latest.
| A．has left | B．would leave |
| C．will have left | D．leaves |