The teacher asked the boy many questions, but he only answered ______ of them.

----Is your watch like Bill’s and Ann’s ? ------No. But it’s almost the same as _________.

中华人民共和国的英文缩写是______.

— You look so happy!— That’s because an old friend of            is coming.

—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.