book 3 unit 1 the world of our senses ⅰ.单项填空 1． the city center，we saw a stone statue of about 10 meters in height.(2010•上海，35) a．approaching b．approached c．to approach d．to be approached 答案 a 解析 考查现在分词作状语，表示正在进行或主动的动作。此时分词的逻辑主语就是主句的主语，因此要注意人称、时态和语态的一致性。 2．whenever you have difficulty with your homework，don’t hesitate her for help. a．to be asked b．asked c．to ask d．asking
