As we know, ________ is good exercise and it is necessary for health.A. walk B. walks C. walking
—At last,we had problems______hearing.
—It______,“I’ll have lots to eat today.”
We _______cross the road when the light is red.
This young man doesn’t have much money, ______ he has many good friends.
Miss Fang is ______ English teacher. She teachesEnglish.