_____ to school this morning, I met a friend of mine.
| A．I was walking | B．Walking |
| C．While I walking | D．Walked |
As soon as the children were _____, their mother got them out of bed and into the bathroom.
| A．woke | B．waken | C．wake | D．awake |
Voices were _____ as the argument between the two motorists became more bad-tempered.
| A．spoken | B．raised | C．developed | D．increased |
The members of the club wouldn't run a _____ in entrusting（委托） the organization to an unreliable person.
| A．danger | B．risk | C．loose | D．chance |
My brother likes eating very much but he isn't very _____ about the food he eats.
| A．special | B．peculiar | C．particular | D．unusual |
It isn't quite _____ that he will be present at the meeting.
| A．sure | B．right | C．exact | D．certain |