16. At school, some students are active    some are shy, yet they can be good friends with one another.

A. while  B. although

C. so    D, as

16.   A考查并列連詞。句意：在學(xué)校，一些學(xué)生很活躍而一些卻很害羞，然而他們可能成為好朋友。根據(jù)句意選while,表示兩個分句中兩種情況的對比。

題目來源：2015全品語法快練高中英語新課標(biāo) > 訓(xùn)練9祈使句、并列句、感嘆句和慣用法

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C

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