______that he was in great danger, Eric walked deeper into the forest.
| A．Not realized |
| B．Not to realize |
| C．Not realizing |
| D．Not to have realized |
第一部分: 英语知识运用（共两节，满分50）
第一节: 单项选择（共20小题, 每小题1分, 满分20分）
请认真阅读下面各题，从题中所给的A. B. C.D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
—What do you think of their marriage?
—______, if I were Kate, I would not marry him.
A. Generally speakingB. I have no idea C. To be honest D. To my surprise
_________ the project in time, the workers were working at weekends.
| A．Completing | B．Having completed | C．To have completed | D．To complete |
_________ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
The chairman thought _________ necessary to invite Professor Smith to speak at the meeting.
| A．that | B．it | C．this | D．him |
It was not until nearly a month later _________I received the managers reply.
| A．since | B．when | C．as | D．that |