—Our flight is boarding now. We’ll have to part. —Don’t feel blue. ______.
The doctor tried his best to save this patient.At last he began ___.
He was sitting in an armchair, ___ a novel
Only then ___ that he had made a mistake.
--Do you like to study mathematics?---____? I like it very much.
The students of Class Two said that they had no difficulty ___ those sentences into English.