By the year of 2053 there will be 487 million aged people in China, means that one third of the population will be over 60.
A.that | B.which | C.what | D.where |
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By the year of 2053 there will be 487 million aged people in China, means that one third of the population will be over 60.
A.that | B.which | C.what | D.where |