The old rules have to be ______ because they only applied to the circumstances that existed when they were made a hundred years ago.
| A．developed | B．established | C．observed | D．revised |
Look at the trouble I'm in! If only I__________ your advice.
| A．followed |
| B．had followed |
| C．would follow |
| D．were following |
—Do you know where David is? I couldn't find him anywhere.
—Well. He __________ have gone far—his coat's still here.
| A．shouldn't |
| B．mustn't |
| C．can't |
| D．wouldn't |
—It's been a wonderful evening. Thank you very much.
—__________.
| A．My pleasure |
| B．I'm glad |
| C．No. thanks |
| D．It's OK |
—Would you do me a favor and give me a ride?
—__________.
| A．Yes, that's right |
| B．No trouble |
| C．Never mind |
| D．With pleasure |
He felt so proud as the audience were shouting loudly __________ his performance.
| A．to applaud |
| B．applauding |
| C．cheering |
| D．to cheer |