第一節(jié) 單項填空(共15小題;每小題1分,滿分15分)
從A、B、C、D四個選項中,選出可以填入空白處的最佳選項。
1. Suddenly he caught ________sight of a man who went into the telephone booth to make ________ call.
A. a; a B. /; / C. /; a D. a; /
2. He climbed silently ________ of seizing the thief ________.
A. on purpose; by surprise B. on purpose; surprisingly
C. for the purpose; surprised D. for the purpose; by surprise