He was driving home on the highway last night when he was stopped by a policeman, _____.
| A．who was charged by speeding |
| B．who accused him of speeding |
| C．which was warned of speeding |
| D．whom reminded him to speed |
If the firefighters ________ in time, the fire would have resulted in many deaths in the hotel.
| A．wouldn’t have arrived | B．hadn’t arrived |
| C．didn’t arrive | D．shouldn’t arrive |
_________ development of nuclear weapons is _________ threat to mankind.
| A．The; a | B．The; the | C．A; a | D．A; the |
— May I use your new dictionary? I want to look up a word．
— It’s over there. ________.
| A．No problem | B．Got it | C．Feel free | D．It depends |
Last year I applied to Princeton University. I ________ they would say yes — but they did, and now here I am．
| A．never think | B．am never thinking |
| C．have never thought | D．never thought |
I shall never forget the days ________ I spent in Beijing University, ________ has a great effect on my life.
| A．that; which | B．which; that | C．when; that | D．when; which |