I was really worried about you. You _______________ home without a word.
| A．mustn’t leave | B．shouldn’t have left |
| C．couldn’t have left | D．needn’t leave |
This is a book, which I dare say, is unequaled ______translation practice is concerned.
| A．as much as | B．as well as | C．as far as | D．as long as |
By the time he was dying, he made a testament that he would______his kidney(肾) to those who were in need of it.
| A．contribute | B．donate | C．provide | D．introduce |
University is ______ most worthwhile time of discovery and learning, and it is also ______very enjoyable and valuable experience for every one of us.
| A．a；a | B．a；/ | C．/；a | D．a；he |
— How do you find your trip to the Great Wall?
— We had an awful time! ______, George got sick the day we arrived.
| A．on the other hand | B．to begin with | C．as a consequence | D．on the contrary |
It was in the wooden house______ a businessman built by collecting funds______ the great scientist carried out the experiment that made a difference.
| A．which; that | B．where; that | C．that; where | D．that; which |