大全section1-18

ran2010zx · 发表于 2011-2-7 00:37:10

To maintain a high demand for theirproduct, the manufacturers first took over the marketing and sales functionspreviously performed by outside agents; next, they began changing theiradvertising campaigns monthly to keep pace with the rapid changes in consumers’lives.
(A) they beganchanging
(B) this beganchanging
(C) the formerbegan changing
(D) to beginchanging（A）
(E) to change
这里选A的话不会造成they的指代不明么？？？牛人们讲讲啊，谢谢！！

kaji29 · 发表于 2011-2-7 11:16:52

分号的意思是连接两个有一定关系的句子

所以A在同样位置出现的 they肯定是指 the manufacturers

而且前面有一个next表示行动的顺序

所以主语应该是一样的

大全section1-18

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