--- You should have thanked her before you left.
--- I meant , but when I was leaving I couldn’t find her anywhere.
| A．to |
| B．to do |
| C．doing |
| D．to doing |
It was _____ great shock to the world that two airplanes crashed into _____ World Trade Centre in New York on Sept．11．
| A．a；／ | B．the；the |
| C．a；the | D．／；the |
It was the training _______he had at school _______ made him good jumper．
| A．what；what | B．that；that |
| C．what；that | D．that；had |
Why didn't you tell me there was no meeting today? I _____ all the way here _____the heavy snow.
| A．needn't have driven；through | B．can't have driven；across |
| C．mustn't have driven；through | D．shouldn't have driven；cross |
Never _______ forget the days when _______ together with you．
| A．shall I；I lived | B．shall I；did I live |
| C．I shall；I lived | D．I shall；did I live |
I coutdn't have got to the meeting on time____________ an earlier train.
| A．if I had not caught | B．unless I had caught |
| C．if ! did not catch | D．unless I caught |