— He should have come to join in the thorough cleaning.
—He _____, I think. It’s not his turn.
| A．needn’t have to | B．needn’t have | C．didn’t have to | D．doesn’t need to |
“What’s her new telephone number？” “Oh, I _____.”
| A．forget | B．forgot |
| C．had forgotten | D．am forgetting |
“Oh it’s you！ I ________ you.” “I’ve had my hair cut.”
| A．didn’t realize | B．haven’t realized |
| C．didn’t recognize | D．don’t recognized |
“Hey, look where you are going！” “Oh, I’m terribly sorry. _____.”
| A．I’m not noticing | B．I wasn’t noticing |
| C．I haven’t noticed | D．I don’t notice |
“Mr Smith isn’t coming tonight.” “ But he _____.”
| A．promises | B．promised |
| C．will promise | D．had promised |
. 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 |