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问两个英语选择题14.______ so many people been interested in computer

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问两个英语选择题
14.______ so many people been interested in computers as today.
A.There never have B.Never before have
C.There have never D.Before never have
15.She was the only one in her family ______ the disastrous earthquake.
A.surviving B.having survived
C.to survive D.survived
16.It is the first time that I ______ really relaxed for months.
A.feel B.have felt
C.felt D.will have felt
这几个都选哪个答案,为什么?
问两个英语选择题14.______ so many people been interested in computer
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 computers 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 computers 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.