【題目】 Teenagers __________ their health because they play computer games too much.

A. have damaged B. are damaging C. damaged D. will damage

【答案】B

【解析】本題考查現(xiàn)在進行時態(tài)的用法。句意：青少年正在 損害他們的健康，因為他們玩太多的網(wǎng)絡(luò)游戲。

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