题目

—Do you remember there _____ a river here?— Of course, I often swam in it when I was young.A.used to being B.used to beC.was used to be D.was used to being 答案：【答案】B【解析】句意：——你记得以前这里有条河吗？——当然记得，当我小的时候我经常在里面游泳。考查了there be结构作宾语从句的用法，再根据I often swam in it when I was young，可知句子谈论的是过去的事情，表示过去怎么样用used to be，be used to doing sth和used to do sth 两个句型结构的区别和意义。前下列属于动物社群行为的是（ ）A．母鸡带领小鸡觅食B．山洞里居住着一群蝙蝠C．蜂群中蜂王依靠工蜂喂养D．草原上共同生活着大量食草动物