单选题 One afternoon Mary was walking from her house to the seaside (海边,海滨 ) (41) she saw a small boy (42) along the street towards her. When he came (来, 出现) near her, she was (43) to see it was Tom, her little brother.
"Hello, Tom," Mary shouted to him. "Why are you running like that?"
Tom couldn't stop, (44) he waved to his sister and shouted "I'm trying (45) two boys (46) fighting."
Mary was surprised again, she laughed and said, "That's an important (47) for a little boy, (48) ? You don't do things like that very often. Who are the two boys?"
"They are Jim and me," answered Tom, when he (49) down (50) very quickly.

【正确答案】 A
【答案解析】主句用过去进行时，状语从句要用when 引导，表示在过去某一时刻持续发生的动作。
【正确答案】 B
【答案解析】句型see sb. do sth. 或see sb. doing sth.前者表示看到动作全过程，后者表示动作正在进行。根据上下文，run 动作应该正在进行。
【正确答案】 A
【答案解析】be surprised to do sth.
【正确答案】 A
【答案解析】句意：汤姆停不下来，但他还是冲姐姐招手并喊道……这里应该填一个表示转折的并列连词。
【正确答案】 A
【答案解析】短语：try to do sth．试着做某事。
【正确答案】 B
【答案解析】短语：stop sb．doing sth．阻止某人做某事。
【正确答案】 C
【答案解析】阻止两个人打架不是game，而是一项工作。注意到前面有个 an，所以填可数名词job。
【正确答案】 A
【答案解析】反意疑问句，前半句是肯定句，后半句应该是否定句，且应对句子的主词job 进行反问。应该填isn't it。
【正确答案】 A
【答案解析】短语：go on doing，继续做某事。
【正确答案】 C
【答案解析】第二行有“along the street towards her”，提示此空应该是 street。