第一部分 英语知识运用（共两节, 满分50分）
第一节 语法和词汇知识（共20小题；每小题1分，满分20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，并在答题卡上将该项涂黑。
1. Someone knocked on the door and Jimmy hurried to see who ____was.
A one B .it C .he D. that
2. I _______a cup of coffee when a new idea occurred to me.
A. drank B. was drinking C. had drunk D. would drink
3. Some teenagers tend to quit when they get into a mess ______ they can't escape.
A. of which B. for which C. from which D. in which
