A recent national study of the public schools show that there are now one microcomputer for every thirty-two pupils, four times as many than there were four years ago.
(A)there are now one microcomputer for every thirty-two pupils, four times as many than there were
(B) there is now one microcomputer for every thirty-two pupils, four times as many than there were
(C) there is now one microcomputer for every thirty-two pupils, four times as many as there were
(D) every thirty-two pupils now have one microcomputer, four times as many than there were
(E) every thirty-two pupils now has one microcomputer, four times as many as
答案是C ， 可是我不明白C中最后的WERE 应该用WAS 才对啊？ 为什么用WERE啊？
10版og的89题
这里简单的理解：
there were 后不一定是1 for every 128，而更可能是个具体的比值，如10 for 1280。所以用了were。
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