In 2000, Chinese scientists completed their part of the international human genome project, ______ that Chinese scientists are among the world’s best.
| A．to prove | B．proving | C．proved | D．having proved |
—I'm sorry, Mrs Smith. I've broken your glasses.
—It doesn't matter, Marks, but you________careful.
| A．must be |
| B．should be |
| C．must have been |
| D．should have been |
I can't find the recorder in the room. It________by somebody.
| A．may have been taken away |
| B．may leave |
| C．may take away |
| D．must have taken away |
—Why was Alice late for her meeting yesterday?
—She________the first early bus.
| A．must have come |
| B．may miss |
| C．should have missed |
| D．might have missed |
He________you more help, even though he was very busy.
| A．might have given |
| B．might give |
| C．may have given |
| D．may give |
We advertised for pupils last autumn, and got________60.
| A．more than |
| B．more of |
| C．as much as |
| D．so many as |