______ the Chinese have been to Beijing.
| A．None of | B．All | C．Not all | D．No |
Madame Curie is believed _______ radium.
| A．discovering | B．having discovered | C．to have discovered | D．to discover |
Having taken our seats, _______.
| A．the professor began the lecture |
| B．the lecture began in no time |
| C．we were attracted by the lecture immediately |
| D．the bell announced the beginning of the lecture |
Apart from being good at teamwork, he is tall, strong and athletic. _______, he is the best choice for the coming basketball match.
| A．All in all | B．In addition | C．After all | D．By the way |
While visiting the robot exhibition, the professor kept nodding his head to express his _______ with his students’ work.
| A．description | B．congratulation | C．ambition | D．satisfaction |
Who was it _______ wanted to see me just now?
| A．whom | B．that | C．when | D．which |