.Mr. Johnson starts to work very early in the morning and goes on working until late in the afternoon ________a break at midday.
| A．with | B．for | C．as | D．through |
________ in the bank robbery, Tod was arrested by the local police early in the morning.
| A．Involving | B．Involved |
| C．To involve | D．To be involved |
________ all the homework assigned by the school, the students have to work at it till midnight.
| A．Completing | B．To complete |
| C．Having completed | D．To have completed |
________ in the countryside made Mr. Wilson very hardworking when he was very young.
| A．Bringing up | B．Having brought up |
| C．Being brought up | D．Brought up |
—The cars give off a great deal of waste gas in the streets.
—Yes. But I'm sure something will be done to ________ air pollution.
| A．reduce | B．remove |
| C．collect | D．warn |
It's a headache trying to ________ in a strange, new town. I will just take a taxi and avoid all the trouble.
| A．settle down | B．work out |
| C．get around | D．hold out |