.He rushed out of the burning house with the little boy in his arms ____________ the roof fell down and the boy was saved.
—It is cloudy outside. Please take an umbrella. —__________
Danby left word with my secretary ________he would call again in the afternoon .
I’m just wondering ___ I first met Tom.
I found her ______ in thought.
The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.