—Must I tell John the bad news now?—No, you________. He can’t stand it.
I think _______ necessary for you _______ breakfast.
—There _______ a football match this evening. —Exciting news.
We should eat _______ fruit and vegetables, but _______ meat. It is good for our health.
—Must we keep the room_______ all the time? —No, you don’t have to.
—He plays basketball so well! Who taught _______?—He learnt it by _______.