197. (GWD-1-Q16) Soaring television costsaccounted for more than half the spending in the presidential campaign of 1992,
a greater proportion than in any previous election.
这边的 a greater proportion than in any previous election.为什么不写成 than that in any previous election 或者 than is in any previous election ? 毕竟比较对象是proportion,
记得有一题说XX at higher speeds than currently possible 是错的,要改成 than those currently possible,或者 than are currently possible. 因为比较对象是speeds。
混乱中 求大神赐教!!
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