________ surprises us most is that she doesn't even know _________ the difference between "speak" and "talk" lies.
| A．What; where | B．What; which | C．What; what | D．That; where |
_____ of water makes Death Valley a desert, but it is by no means devoid.
| A．Lacking | B．Being lack |
| C．Because of lack | D．Lack |
_____ their real economic situations, they got some relief fund from the government.
| A．Considering | B．Considered |
| C．Having been considered | D．Being considered |
No matter how frequently _____ the works of Beethoven always attract a large number of people.
| A．performing | B．performed |
| C．to be performed | D．being performed |
I heard that you really had a wonderful time at John's birthday party, _____?
| A．didn't I | B．didn't you | C．hadn't you | D．will you |
Modern science and technology has _____ communication between people far apart.
| A．made convenient | B．made it convenient |
| C．made it convenient for | D．made it convenient to |