题目内容
(2013·陕西，14)The witnesses ________ by the police just now gave very different descriptions of the fight.
| A．questioned | B．being questioned |
| C．to be questioned | D．having questioned |
A
解析
The noise from the top floor，loud and constant，of the meeting-room_________ can be clearly heard in our classroom．
| A．to decorate | B．having been decorated |
| C．being decorated | D．decorating |
(2013·江西南昌两校一模)A worldshocking shooting rocked a school in the US, ________ twenty children and eight adults dead.
| A．leave | B．left |
| C．to leave | D．leaving |
The flu is believed ________ by viruses that like to reproduce in the cell inside the human nose and throat.
| A．causing | B．being caused |
| C．to be caused | D．to have caused |
If there is a lot of work ________， I'm happy to just keep on until it is finished.
| A．to do | B．to be doing |
| C．done | D．doing |
(2013·山东，33)________at the cafeteria before，Tina didn't want to eat there again.
| A．Having eaten | B．To eat |
| C．Eat | D．Eating |
The farmers had the machine ________ all day and night.
| A．work | B．working |
| C．worked | D．to work |
(2013·凉山一模)Life is like riding a bicycle. ________ your balance, you must keep moving.
| A．Keeping | B．To keep |
| C．Keep | D．Being kept |