问题
选择题
He made a promise __________he would help me.
A．what
B．when
C．that
D．which
答案
C
that引导同位语从句,说明promise的具体内容。
搜题请搜索小程序“爱下问搜题”
He made a promise __________he would help me.
A．what
B．when
C．that
D．which
C
that引导同位语从句,说明promise的具体内容。