When I approached to the subway entrance, an explosion occurred. This ___my first experience, I got into panic
| A．was | B．is | C．being | D．been |
“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 |
.“Your phone number again？ I _____ quite catch it.” “It’s 4331577”
| A．didn’t | B．couldn’t |
| C．don’t | D．can’t |
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 |