With a population of over seven million, London is ________ the largest cities of the world.
| A．between | B．among | C．from | D．of |
It is a great pleasure for a woman to ________ the price while shopping.
| A．cut in | B．cut down | C．cut off | D．cut up |
. ______ the ancient Egyptians built the pyramids puzzled people for centuries.
| A．Whether | B．What | C．How | D．Where |
No one but the experts in this field can _____ the difference between them.
| A．recognize | B．speak | C．spot | D．predict |
—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |
The meeting we had ________ to _______ us finally.
| A．looked forward; disappointing | B．been looked forward; disappointed |
| C．looked forward; disappointed | D．been looked forward; disappointing |