You will lose the game _________ you try your best.A. when B. if C. unless
Tony knows China very well because he ______ in China for twenty years.
The students asked Mr. Wang ______ them some advice on reading.
Mr. Green, a famous writer, ______ our school last month.
— What’s the news in today’s newspaper?—______ special. Let’s go out for a walk.
—______ you read the words in English?—No, I can’t. They are too difficult for me.