my brother often helps me______(do)homework用do的适当形式填空
问题描述:
my brother often helps me______(do)homework
用do的适当形式填空
答
do
答
help sb do sth
答
help sb(to) do 是固定搭配.
加不加to 都是一样的.
这里可以填do 或者 to do