—I was told to be here before seven.— Oh, you . I'm sorry for not telling you that we have changed the plan.
I can do many kinds of housework _______ cooking. I’ll learn it from my mother.
I think _______ necessary for you _______ breakfast.
—Wang Yi plays basketball so well! Who taught _______? —He learnt it by _______.
—I have a toothache. —You should _______.
---Where is your tape player? ---___________________.