—I’m sorry ,Mr.Wang. I _____ my homework at home .—That’s OK. But don’t forget ____ it to school tomorrow.
—_______ can I keep the books? —Two weeks.
My mother often tells me _______ my classmates when they need.
Do you prefer _______?
You should _______ the doctor’s advice and _______ the medicine on time.
Sally sings pretty _______ and she is also _______ at dancing.