These new books are a very welcome _________ to the school library.A．additionB．a_刷题宝

题干

These new books are a very welcome _________ to the school library.

A．addition

B．arrival

C．attitude

D．audience

上一题下一题 0.64难度单项选择更新时间:2011-08-25 11:16:33

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