--- What color is it? --- ______.
You’d better _________ to the old like that, it’s ________.
The rich man _______ much food_________ the poor families in the past.
— Is Jim coming by train?—I’m not sure. He_________ drive his car.
The air in Taizhou is getting ________ cleaner now than a few years ago.
—My mobile phone dropped into the water when I was walking along the river bank.—________!