that和it代替前面的事时,有什么区别?在“His mother has told him many times,but( )did not help"括号中填哪个?
来源：学生作业帮助网 编辑：作业帮 时间：2024/12/02 04:33:19
x͒NP_ĕ&
@[_'Kqᮢ5\4b0ERZgNە a g?1$q^4ߠ\
qĝHUƧ:8zsMU1%U JB%,$
͐L"OͤTigmI1v2s
~\)D˰9H4 G |zI`ZA^;03HF .N# Q']]5[Nx)<6ߪ
һ ;(nZ8 $Я6嶳BKԽt:2˒ "rT'e+!fh
J(Wl?fs&3~
7σzUwPs{o^C1L=VB{0uA kEDW[a4 Pe pn