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【題目】China has a history of more than five ________years.

【題目】The main difference between our brains and those of monkeys is that ________are much bigger and smarter.

【題目】We need to follow the expert’s ________so that we can stay safe.

【題目】Passengers are required to ________ seated until the plane comes to a full stop.

【題目】一What are you reading these days, Eric?

【題目】I truly believe ________beauty comes from within.

【題目】—Is the sweater made ________ cotton?

【題目】—Would you like to go to the city park?

【題目】—I like the ________ named The World of English very much.

【題目】You’ve given me so much help. I really_________ it.