You _____ the exam, but you were too careless.
| A．must have passed | B．must pass |
| C．could have passed | D．could pass |
Kate asked the girl to ________ so that she could hear what her husband said on the phone.
| A．slow down | B．come down |
| C．settle down | D．break down |
The population of our village was ____ that of theirs.
| A．as twice large as | B．twice as large as |
| C．twice as much as | D．as twice much as |
— Do you mind my taking the books away?
— ________.
| A．Certainly, please do. | B．No, go ahead |
| C．Yes, not at all | D．No, please don’t |
The Government has promised to take ____ to help the unemployed.
| A．measures | B．means |
| C．methods | D．measurement |
Though it is difficult, I ______ him find a job, which made him very pleased.
| A．tried to help | B．managed to help |
| C．tried helping | D．succeeded to help |