—I’m in a bad mood these days. —
Learning to write is learning to think. You don’t know things clearly _________ you can writethem down.
Daniel is the most modest boy in your class. He never __________ in public.
---Mr. Li, I can’t understand everything in class.---Don’t worry! I’ll ________ the main points at the end.
---Have you got anything to do this afternoon, Lucy and Lily?---Yes, _________ of us are going to the home for the elderly.
Li Na plays __________ tennis very well. She has become __________ first Asian woman toreach a Grand Slam(大满贯)final.