是they usually go to the shop and help their mother to do some shopping对还是they usually go to the shop and help their mother does some shopping对?
问题描述:
是they usually go to the shop and help their mother to do some shopping对还是they usually go to the shop and help their mother does some shopping对?
答
第一个吧。
答
help sb (to) do所以第一句可以算对
答
the first is right
help sb to do sth
而且their mother不是单数 why use does?