问两个英语选择题14.

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14.D 此题不是there be句型（there be倒装时there不可能在be的前面）,排除AC；
用there be句型句子应该如下：
There have never been so many people interested in puters before as today.
如果否定词提前之句首,则该句一般要用部分倒装.原句还原成：
So many people have never been interested in puters before as today.
before作为时间状语还是不放在never与have之间为好,以免引起误会.
15.C 如果用非谓语来做后置定语,且被修饰词被序数词,最高级或the only/last等修饰时,则此非谓语形式要求是不定式.
如：He is the first runner to pass the finishing line.
16.B 固定句型：It is the first/second...time that从句.
其中that从句要求用现在完成时.
还有一个类似句型：It was the first/second...time that从句.
其中that从句要求用过去完成时.
======以下答案可供参考======
供参考答案1:
C、D、C要我讲，我不会讲，我是凭语感
供参考答案2:
c d a供参考答案3:
CDA