With all the family members ______ on vacation without him, the boy felt extremely lonely and afraid.
| A．to have gone | B．going | C．had gone | D．gone |
The speaker,________ for her splendid speeches,was warmly received by the listeners.
| A．having known | B．being known |
| C．knowing | D．known |
Peace-loving people don’t want _________ another war in Iraq.
| A．there could be | B．there be |
| C．there being | D．there to be |
The professor walked onto the platform and seated himself in a chair,________ for answering questions.
| A．had prepared | B．being prepared |
| C．preparing | D．prepared |
________ around our new dormitory,the foreigners were taken to visit our canteen,which lies behind.
| A．Showing | B．Having shown |
| C．Being shown | D．Having been shown |
If we throw away too much waste and can’t keep good ecosystem,we _________ our future.
| A．must have destroyed | B．could be destroying |
| C．may be destroying | D．must destroy |