Most students expect ____more review classes before the exams.
| A．it to be | B．there to be | C．that to be | D．to be |
. He has changed a lot. He _______ not what he _______.
| A．is, is | B．was, was |
| C．is, was | D．was, is |
“It’s twelve o’clock, I think I must be off now.” “Oh, really？ I ______ it at all.”
| A．don’t realize | B．haven’t realized |
| C．didn’t realize | D．hadn’t realized |
“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 |