When trees are cut down, there is nothing to hold the soil on the hillside.
| A．take place | B．out of place | C．in place | D．in place of |
________ away from school for two weeks, I have quite a few lessons to catch up with.
| A．Having been | B．To be |
| C．Been | D．Being |
The landslide occurred at midnight, killing five people and ________ seven others ________.
| A．leaving；injured | B．leaving；injuring |
| C．left；injured | D．left；injuring |
________ by reporters about the case, Mr. Sun said Chongqing takes a clearcut attitude and is taking resolute measures.
| A．Having asked | B．To be asked |
| C．Asking | D．Asked |
Life is like riding a bicycle. ________ your balance, you must keep moving.
| A．Keeping | B．To keep |
| C．Keep | D．Having kept |
________ 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 |