题目内容
7.Chongqing has become greener.We can often hear birds ______ in our neighborhood.( )| A. | sang | B. | sing | C. | singing | D. | to sing |
分析 重庆已经变得更绿.我们经常可以听到鸟儿在附近唱歌.
解答 答案:B.根据We can often hear birds ______ in our neighborhood,可知本句考查了hear的用法,hear sb do sth听到某人做了某事,hear sb doing sth听到某人正在做某事;在这里often表示经常的意思,所以本句应该用hear sb do sth,后面跟动词原形.故选B.
点评 本题考查了非谓语动词的用法.解答时注意:hear sb do sth听到某人做了某事,hear sb doing sth听到某人正在做某事.
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