So quickly ____________ that what is a possibility today may be a reality tomorrow.
| A．is science advancing | B．science is advancing |
| C．will science advance | D．science will advance |
Do you mind ______ how you succeed?
| A．if I go and see | B．if I go seeing | C．my going and see | D．my go to see |
The police saw the woman _______ a bus and _______ a taxi.
| A．get off …get on | B．get on … get off |
| C．get off …get into | D．get on … get into |
We have _______ books in our library.
| A．plenty of | B．great many | C．a great deal of | D．great number of |
This event was rather unusual, ________?
| A．is it | B．isn’t it | C．was it | D．wasn’t it |
How I envy you _______ your good luck!
| A．in | B．of | C．to | D．/ |