My bike is broken. Could you help me to_______?
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?---___________________.