— 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 solve; making |
| C．to solving; made | D．to solve; made |
If the boy had _____ the dog alone it wouldn't have bitten him.
| A．set | B．left | C．had | D．put |
The generation _____ makes it difficult for parents to understand their children's opinions.
| A．division | B．gap | C．separation | D．interval |
With sufficient scientific information a manned trip to Mars should be _____.
| A．obtainable | B．potential | C．considerable | D．feasible |
_____ inviting guests and not treating them properly!
| A．Strangely | B．Fantastically |
| C．Surprisingly | D．Fancy |
_____ it is a good thing I did not get the post I had applied for, though I must admit that I was disappointed at the time.
| A．By the way | B．In a way | C．In the way | D．In no way |