To be honest,the scientist to unknown to me.
| A．referring;being | B．referred;is |
| C．who referred;is | D．referred;being |
It is so nice to hear from her._______, we last met more than thirty years ago.
| A．What's more | B．That is to say |
| C．In other words | D．Believe it or not |
Boris has brains.In fact, I doubt whether anyone in the class has _______ IQ.
| A．a high | B．a higher |
| C．the higher | D．the highest |
We don't care if a hunting dog smells _______, but we really don't want him to smell _______.
| A．well; well | B．bad; bad | C．well; badly | D．badly; bad |
Many students signed up for the _______ race in the sports meeting to be held next week.
| A．800-metre-long | B．800-metres-long |
| C．800 metre length | D．800 metres length |
_______ people in the world are sending information by e-mail every day.
| A．Several million | B．Many millions |
| C．Several millions | D．Many million |