22. A recent national study of the public schools shows 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(C) (E) every thirty-two pupils now has one microcomputer, four times as many as C中的there were跟there is不对称啊,为什么不用there was呢?请NN解释一下,谢谢 |