--How can I make progress in my study,Sir?--_______ an effective learner,you should find some good approaches.
--Can I get tickets for the conert? --___,Sold out
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.