【題目】Some experts believe that the students, once ______ to computer games, will probably lose opportunities of progressing.

A.addictingB.addictedC.having addictedD.being addicted

【答案】B

【解析】

考查省略和過去分詞。句意：一些專家認(rèn)為，學(xué)生一旦沉迷于電腦游戲，很可能會失去進(jìn)步的機(jī)會。固定詞組：be addicted to“對……上癮，沉迷于”。此處是連詞once“一旦”引導(dǎo)的條件狀語從句的省略，且相同的主語和be動詞可以省略，所以這里是過去分詞作狀語，addicted已經(jīng)演變成了形容詞，故選B。

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