My mobile phone is missing. Who _____ it?
| A．must have taken | B．should have taken |
| C．could have taken | D．need have taken |
—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 |
Let’s postpone___a decision until we have more information
| A．to make |
| B．make |
| C．making |
| D．made |
The land was ripe___industrial development
| A．for |
| B．through |
| C．up |
| D．off |
Paul said,”Give me a chair___”
| A．to sit |
| B．sit |
| C．sit on |
| D．to sit on |
He found it increasingly difficult to read,___his eyesight was beginning to fail
| A．and |
| B．for |
| C．but |
| D．or |