I don’t know __________, but I guess he may be a doctor.A. how he is B. what he is C. what does he do
You are tired. a rest?
Remember this, my son. ______ careful you are, _______mistakes you will make.
I _________ think there _________ be more buildings in two years.
I wasn’t _________ to hear that Lucy failed the exam.
exciting news it is!