If you can't open the front door，why not ______ the back one？ A.to try opening B.trying to open C.to...
2022-09-20 07:13:46 62次 冀教版英语九年级全册Unit4 Lesson23-24课时练习 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
If you can't open the front door，why not ______ the back one？
A.to try opening B.trying to open
C.to try and open D.try opening
本题链接：
