I. 单项选择：(共50题；满分50分；每小题1分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳答案，并在答题卡上将该项涂黑。
1. --- I serve three meals every day and do almost everything for him, but he still lets me down.
--- I’m afraid that’s ______ you are mistaken.
A.how B. where C. what D. in which
I spent the whole day repairing the motorbike. The work was ____ simple.
| A．nothing but | B．anything but |
| C．something of | D．all except |
____ abroad for a tour can be a great honor for an ordinary person like me.
| A．Taken | B．Taking | C．Being taken | D．Having been taken |
—We are informed that the Weifang International Kite Festival starts at 7:00.
—Oh, I didn’t expect it was so early! I ____ to go out for dinner with my friends first.
| A．was planning | B．am planning |
| C．have been planning | D．have planned |
—Why was our foreign teacher unhappy yesterday?
—News about the tsunami striking her country ____ an attack of homesickness.
| A．set for | B．set out | C．set about | D．set off |
The professor walked onto the platform and seated himself in a chair, ____ for answering questions.
| A．had prepared | B．being prepared | C．preparing | D．prepared |