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【题目】_______ some teenagers don’t realize is _______ difficult life can be after they get addicted to computer games.

A. What; howB. That; how

C. That; whatD. What; what a

【答案】A

【解析】

考查主语从句和表语从句。句意:一些青少年没有意识到的是,当他们沉迷于电脑游戏后,生活会变得多么困难。第一个空引导主语从句,第二个空引导表语从句。第一个空在主语从句中作宾语,用what;第二个空表示“多么”,用how,故选A。

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