—Sorry, I made a mistake again.
— ______. Practice more and you’ll succeed.
| A．Never mind | B．Certainly not |
| C．Not at all | D．Don’t mention it |
—How do you deal with the disagreement between the company
and the customers?
—The key________ the problem is to meet the demand____
____by the customers?
| A．to solving；making | B．to solving；made |
| C．to solve；making | D．to solve；made |
Prices of daily goods________through a computer can be lower than store prices.
| A．are bought | B．bought |
| C．been bought | D．buying |
The poor little boy________by his heartless parents was seen begging in the street.
| A．abandoning | B．to be abandoned |
| C．having abandoned | D．abandoned |
Throughout history，the language________by a powerful group spreads across a civilization.
| A．speaking | B．spoken | C．to speak | D．to be spoken |
Nobody but doctors or nurses and those __________ by Dr. Hu ________ to enter the patient's room.
| A．invited；is allowed | B．are invited；are allowed |
| C．being invited；allowed | D．invited；are allowed |