—When will the train start？
—It _____ at 2:35 in the afternoon according to the timetable.
| A．starts | B．will start | C．would start | D．started |
—What place is it?
—Haven’t you seen that we ________ back where we ________ ?
| A．were；had been | B．are；were | C．were；have been | D．are；had been |
Once a programme ________ put into a computer, it ________ accordingly.
| A．is; acts | B．is being; is acting | C．has been; will act | D．will be; acts |
I’m glad to see that you ________ a lot of progress since I ________ you last.
| A．will make; have met | B．have been making; met |
| C．had made; met | D．have made; meeting |
－Oh, it’s you, Steve! I ________ you.
－No surprising. I’ve just had my hair cut.
| A．don’t recognize | B．haven’t recognized | C．didn’t recognize | D．hadn’t recognized |
I would have come sooner but I ________ that they were waiting.
| A．haven’t known | B．hadn’t known | C．don’t know | D．didn’t know |