_______ the smoke come out of the building, my first thought was to call the fire department as soon as possible.
| A．Having seen | B．When seeing | C．When I saw | D．Seeing |
How I regretted ______ the hours in the forest ______ I should have studied hard in the classroom.
| A．to waste; when | B．to waste; where | C．wasting; when | D．wasting; where |
All of the students were ______ by the ______ speech given by the headmaster.
| A．inspired; inspired | B．inspiring; inspiring | C．inspired; inspiring | D．inspiring; inspired |
_____ is no good ______ without doing anything.
| A．It; talking | B．It; to talk | C．This; talking | D．That; to talk |
I invited Joe and Linda to dinner, but ______ of them came.
| A．neither | B．either | C．none | D．both |
If he continues to steal, he is most _____ to end up in prison.
| A．possible | B．probably | C．likely | D．perhaps |