Please tell me how the accident _____. I am still in the dark.
When I came in, I saw Dr. Li ______ a patient.
My goodness, look at the time! It’s nine o’clock already and I’m _____ at breakfast.
. I feel it an honour __________ to speak here.
I have no _______ to the plan, so long as it would not cost too much.
Didn’t it ever ________to you that one day you wouldn’t be fired because of your carelessness?