He enjoys reading English 划线提问 划线画reading English；
what dose he enjoy/ like?
I like to have sports 划线画 have sports；
what do you like to do?
We’re their sons 划线提问 划线画their ；
whose sons are you?
their grandson visit them every week 划线画 ①their grandson ②every week
who visit them every week?
how long does their grandson visit them?