第二部分：英语知识运用（共两节，满分45分）
第一节：单项填空（共15小题；每小题1分，满分15分）
从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. I wonder we haven’t received her invitations yet. Her wedding is only two days away.
A. how B. why C. that D. When
A brilliant idea occurred to him, ______ to his research in the lab．
| A．while devoting | B．while devoting himself |
| C．while he was devoted | D．while devoted |
_____ it would be silly to argue any longer ．
| A．Was that true | B．If that was true |
| C．Should that be true | D．Could that be true |
Did ______ on time make the teacher angry ?
| A．she not come | B．she not to come |
| C．not her coming | D．her not coming |
You can hardly imagine the difficulty the woman had ______ her children．
| A．brought up | B．to bring up |
| C．bringing up | D．to have brought up |
Only one of the places is ________
| A．worth to visit | B．worth visiting |
| C．worth of visiting | D．worth being visited |