第二语法和词汇知识(共15小题；每小题1分，满分15分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
We ____last night, but we went to the concert instead.
A. must have studied B. might study C. should have studied D. would study
---- Tom, did Mr. Li join you in your discussion?
---- No, he _____, but he happened to have fallen ill.
| A．would like to | B．will |
| C．was to have | D．was going to join |
Good heavens! There you are! We _____ anxious about you, and we _____ you back throughout the night.
| A．are; expect | B．were; had expected |
| C．have been; were expecting | |
| D．are; were expecting |
---- You haven’t got the textbook for my chemistry course yet.
---- I know, and we _____ to get it for the last 5 weeks.
| A．will have been trying | B．have been trying |
| C．will be trying | D．had tried |
---- 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 |
The chairman’s speech ______ the radio when I turned it on.
| A．was broadcast on | B．was being broadcast on |
| C．was broadcasting in | D．broadcast over |