Question

—Look, there_____ many birds around here, but now we hardly see them. What a pity!—Yeah! The ai.

—Look, there_____ many birds around here, but now we hardly see them. What a pity!—Yeah! The air pollution has caused the problem! A．are B．used to have C．used to be D．use to be

Answer 1

C

试题分析：句意：看，这儿四周过去有许多鸟，但是现在我们几乎看不到它们了。太可惜了。——是的，空气污染引起来这个问题。There be句型表示“某地(或某时)存在有某人(或某物)，而并非某地(某人、某物或某时)拥有什么东西”，句中有若干个名词作主语，动词be常与后面主语中的第一个名词在数上一致。have一般表示某人有某物。used to do sth过去常常做某事.结合语境可知选C。