he wonders what he will get from his parents as a birthday present(该同义句)

问题描述:

he wonders what he will get from his parents as a birthday present(该同义句)
he wonders_______ _______get from his parents as a birthday present

whatto可以说明为什么吗?我不懂比如 我不知道接下来做什么 Idon't know  what  to do next  等于 I  don'tknow what I will  do next 疑问词+ to do  可以做宾语