语法填空一个空
问题描述：
语法填空一个空
The he asked,“Do you know,son,why I am here today?”
They boy said,“___7___ (check) my grades?”
用to check“ ”内缺少谓语？
答
填to check,表示目的,还原成完整的句子是：Are you here to check my grades?
是省略啊