__________ at the door before you enter my room, please.
| A．Knock |
| B．Knocking |
| C．Knocked |
| D．To knock |
– Excuse me, sir. But nobody _____ smoke here in the lift!
-- Sorry! I didn’t see the sign.
| A．will | B．shall | C．can | D．may |
-- If you _____ away our secret that day, the current situation _____ different.
-- Sorry, but _____ to do that.
| A．didn’t give; will be; didn’t mean |
| B．hadn’t given; would be; didn’t mean |
| C．hadn’t given; would have been; hadn’t meant |
| D．shouldn’t give; is; don’t mean |
Another reason _____ he didn’t mention is _____ the poor quality of the buildings worsened the damage.
| A．why; because | B．for which; that | C．that; that | D．which; because |
-- Dear me! I _____ you at first sight! But you do have changed a lot!
-- Nor _____ I! You are no longer the Fat Girl!
| A．haven’t recognized; have | B．hadn’t recognized; had |
| C．don’t recognize; do | D．didn’t recognize; did |
– You must have learnt the good news of our team winning the football match, _____ you?
-- Yes. I _____ it up when having supper in the canteen.
| A．mustn’t; have picked | B．haven’t; have picked |
| C．didn’t; picked | D．haven’t; picked |