While _____ football on tin playground, I found ’my keys ______.
| A．playing, lost , | B．play, losing | C．played, being lost | D．having played, lost |
The president was so absorbed in his work that not a sound ______.
| A．did she dare to make | B．dared she to make |
| C．she dared make | D．she did dare to make |
____of danger in the street at night, she had to go home, with a friend ___ her.
| A．Warned; accompanied | B．Warning; accompanying |
| C．Having warned; accompanied | D．Having been warned; accompanying |
the website of the Fire Department in your city, and you will learn a lot about firefighting.
| A．Having searched | B．To search | C．Searching | D．Search |
The teacher stressed again that the students should not _________any important details while retelling the story.
| A．bring out | B．let out |
| C．leave out | D．make out |
As he works in a remote area, he visits his parents only _________.
| A．occasionally | B．anxiously |
| C．practically | D．urgently |