17..In the United States, bus travel doesn't cost much as train travel, ?
18.
| A．don't they | B．does it | C．do they | D．doesn't it |
He didn’t understand the _______ question, so there was a ______ expression on his face.
| A．puzzling; puzzled | B．puzzling; puzzling |
| C．puzzled; puzzled | D．puzzled; puzzling |
—Which team is _______ to win the game?
—I don’t know, but I’ve found _______ for ours to win.
| A．probable; it unlikely | B．likely; it possible |
| C．possible; it possible | D．likely; it possibly |
—Did you wash your new suit in hot water?
—Of course not. I am not ______ foolish.
| A．very | B．that |
| C．very much | D．too |
—How is your father?
—He’s fine. He’s______ to play tennis every Sunday.
| A．enough active still | B．enough still active |
| C．still active enough | D．still enough active |
The doctor assured the patient that there was ______ with her, but she could not help worrying.
| A．seriously wrong nothing | B．nothing serious wrong |
| C．nothing seriously wrong | D．serious nothing wrong |