Computers are already widely used in industry and in universities and the time may come when it ______ possible for ordinary peo

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问题 Computers are already widely used in industry and in universities and the time may come when it ______ possible for ordinary people to use them as well.

选项 A、is
B、will be
C、must be
D、may be

答案B

解析 when在这里是关系副词引导定语从句,修饰time,而不是表示时间的从属连词,所以A不对。must be若表示肯定推断,与possible相矛盾;may be若填入句中,则意思上不准确,故也是错的。
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