根据所给首字母补充句子.I was happy to go to school a ____.Mike was excited about the t ____.I was happy to go to school a_____.I f_____a backpack on the road.
问题描述：
根据所给首字母补充句子.I was happy to go to school a ____.Mike was excited about the t ____.
I was happy to go to school a_____.
I f_____a backpack on the road.
答
ago以前
found，找到
答
alone
found