Question

【题目】We could hear birds ________in my hometown in the past, _________ now we can’t.

A. to sing; and B. sing; and

C. to singing; because D. sing; but

Answer 1

【答案】D

【解析】

试题分析：句意：过去在我的家乡能够听到鸟叫声，但是现在我们听不到了。此题考查固定短语hear sb do sth听到某人做某事。根据句意，应选D。