Lucy helps her mother___ (does,do,doing)the housework.此does,do,doing三个答案选哪一个?
问题描述：
Lucy helps her mother___ (does,do,doing)the housework.
此does,do,doing三个答案选哪一个?
答
do
答
用do来回答
答
用do
help (to) do sth实际上有时候to是省略掉的.
help do sth
还有can't help doing sth.(忍不住/情不自禁去做某事）
help + doing 是与can't一起用的
没有help doing或help does 这种用法
答
do
固定词组help sb (to) do sth