第二部分：英语知识运用（共两节，满分30分）
第一节 语法和词汇知识: ( 共10小题; 每题1分, 满分10分 )
21. He was very busy yesterday；otherwise，he ______ to the meeting.
A．would come B．came C．would have come D．will come
22. The gasoline_____. Let’s fill the car up at the next gas station.
A. is running out B. has run out
C. is being run out D. has been run out
23. ________many times, he still couldn't understand it.
A. Having been told B. Being told
C. He was told D. He had been told
24. He couldn’t ________ his father that John was telling the truth.
A. convince B. believe C. admit D. display
