Tony wondered.Did Charles accept the invitation to stay with his friends?合并为宾语从句
问题描述：
Tony wondered.Did Charles accept the invitation to stay with his friends?合并为宾语从句
Tony wondered_____ Charles______ accept the invitation to stay with his friends.
答
if ,accepted题目打错了 是填 accepted 前一个空if , had
即：
Tony wondered( if )Charles( had )acceptedthe invitation to stay with his friends.