Oh, dear. I forgot the two _________.
| A．room’s number | B．rooms’ number | C．room numbers | D．rooms’ numbers |
. Dear me！ Just _____ at the time！ I _____ no idea it was so late.
| A．look, have | B．looking, had |
| C．look, had | D．looking, have |
The traffic accident wouldn’t have happened yesterday, but the driver _______ really careless.
| A．was | B．is |
| C．were | D．had been |
I had expected to come over to see you last night, but someone ______ and I couldn’t get away.
| A．called | B．had called |
| C．would call | D．would have called |
We had wanted to come to see him, but we ____ no time.
| A．had | B．had had |
| C．would have | D．would have had |
We had hoped that you would be able to visit us, but you _____.
| A．didn’t | B．hadn’t |
| C．needn’t | D．would not have |