—What made you so tired?
—__________ driving all day.
| A．Practiced |
| B．To practice |
| C．Practicing |
| D．Practice |
The new student was very slow to __________ the unusual rules of the school.
| A．adapt for | B．adapting for | C．adapt to | D．adapting to |
. It’s not important __________ you may call it. What is important is __________ you make good use of it.
| A．what; when | B．that; how | C．what; how | D．how; what |
. You __________ a taxi, for it was only about ten minutes’ walk to the station from the hotel.
| A．mustn’t have taken; | B．mightn’t have taken; | C．needn’t have taken; | D．couldn’t have taken; |
__________, she stood there without saying anything.
| A．Tears coming to her eyes | B．Tears came to her eyes |
| C．With tears come to her eyes | D．Tears comes to her eyes |
The reason _______ he was late was ________he hardly knew the way to the meeting place.
| A．what; because | B．for which; that | C．that; because of | D．why; because of |