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标题: begin什么时候开始跟动名词了？？ [打印本页]

作者: chris82711 时间: 2006-11-15 13:22
标题: begin什么时候开始跟动名词了？？

870.
To maintain a high demand for their product, the manufacturers first took over the marketing and sales functions previously performed by outside agents; next, they began changing their advertising campaigns monthly to keep pace with the rapid changes in consumers’ lives.

(A) they began changing

(B) this began changing

(D) to begin changing（A）

(E) to change

这里的答案是A，不知道什么时候开始begin后面根动名次了。

作者: Matrixrl 时间: 2006-11-15 14:11
begin doing or begin to do是固定用法

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