If you want to be thinner and healthier, you’d better eat_______food and take______ exercise.
-_____ does your father go to bed? -He usually goes to bed at ten o’clock.
I’m good ______ old people and I’m good ______ playing the guitar, so I can join you to help them.
Mary can play ______ basketball. And Lucy can play _____ piano.
Look! The children ______ in the river.
Grace is a student. She _______ school every day.