27 If nobody answers the door bell ,try ___ the back door.A to knock at b.to knock c.knocking at d.knocking 需要详细分析

分类: 作业答案 • 2021-12-20 03:04:16

问题描述：

27 If nobody answers the door bell ,try ___ the back door.
A to knock at b.to knock c.knocking at d.knocking 需要详细分析

答

c,辞典看错，不好意思

答

答案选C吧
try to do 表示"努力做某事"
try doing 表示"试着做..."