1．The silence of the library ______ only by the sound of pages being turned over.
A．has been broken B．breaks
C．broke D．was broken
答案：D
解析：
本题考查动词的时态和语态，从所给的语境可以看出动作发生在过去，另外，从only by the sound of pages being turned over得知“图书馆的寂静”是“被打破的”。因此答案为D项。
2．A cook will be immediately fired if he is found _____ in the kitchen.
A．smoke B．smoking C．to smoke D．smoked
答案：B
解析：
本题考查动词的非谓语形式。需要一定的综合分析能力。首先要明白主语补足语、宾语补足语知识；再者要区分不定式、现在分词、过去分词一般式的用法。如将if 条件句变成主动式：If we find him _____ in the kitchen, the cook will be immediately fined.不难发现答案为smoking.
3．－How are the team playing?
－They’re playing well, but one of them _______ hurt.
A．got B．gets C．are D．were
答案：A
解析：
首先确定用什么时态，很容易误选B。根据one of them提供的信息C、D不在选择之列。A还是B要考虑到“受伤了”表示动作已完成，故不宜选择B项。
