题目

Tom often _____ TV on Saturday evenings, but now he _____ stories.A. watches; is reading B. is watching; readsC. looks; is reading D. watches; is looking 答案：【答案】A【解析】试题分析：句意：Tom经常在周六的晚上看电视，但是现在他正在读故事书。watch观看，watch TV是固定短语；look看，不及物动词；is reading现在进行时，正在读书；reads第三人称单数形式。根据句意可知选A。如图，∠BAC=90°，AD⊥BC，则图中互余的角有 [     ]A．2对B．3对C．4对D．5对