The mayor will personally present the gold medals _______ the winning athletes at the sports meet.
| A．by | B．with | C．to | D．for |
He used to make a living_________playing music on festivals. Now he makes shoes__________ his own hands.
| A．by；with | B．on；by | C．with；with | D．by；by |
We can’t continue to pretend that the problem of pollution doesn’t___________in this city.
| A．exist | B．live | C．be | D．survive |
We must do whatever we can to ______the river from being polluted any more.
| A．separate | B．keep | C．prevent | D．guard |
We should try our best to___________ those people after the disaster.
| A．break out | B．come on | C．bring up | D．cheer up |
— I’d like to take a week holiday.
— ________, we are too busy.
| A．Don’t worry | B．Forget it | C．Don’t mention it | D．Pardon me |