a recent national study of the public schools showsA recent national study of the public schools shows that there is now one microcomputer for every thirty-two pupils,four times as many as there （were） four years ago请问这里there后为什么
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a recent national study of the public schools showsA recent national study of the public schools shows that there is now one microcomputer for every thirty-two pupils,four times as many as there （were） four years ago请问这里there后为什么
a recent national study of the public schools shows
A recent national study of the public schools shows that there is now one microcomputer for every thirty-two pupils,four times as many as there （were） four years ago
请问这里there后为什么是were哦?
a recent national study of the public schools showsA recent national study of the public schools shows that there is now one microcomputer for every thirty-two pupils,four times as many as there （were） four years ago请问这里there后为什么
有的意思
there is now one microcomputer for every thirty-two pupils,four times as many as there （were） four years ago
现在每三十二名学生有一个微型计算机是四年前的四倍