Have you got an iPhone 5?—No, many young people began to say “No” to it because of _________ follow-up service. By the way, I am a supporter of Chinese products.

Have they finished their homework __________?

Beijing, ______ capital of China, has ______ long history.

What’s the time by your watch?—It’s ________.

第一部分：单项选择—Make sure you have turned off the air conditioners before going out.—_______________.