Q16: PP52.
Although at one time children’s programming had been limited to a few hours a week, now, however, there are at least four cable networks that dedicate themselves entirely to shows produced specifically for children.
A.Although at one time children’s programming had been limited to a few hours a week, now, however, there are at least four cable networks that dedicate themselves
B.With children’s programming having been limited at one time to a few hours a week, now at least four cable networks have dedicated themselves
C.Once limited to a few hours a week, there are now at least four cable networks with children’s programming that dedicate themselves
D.Children’s programming was once limited to a few hours a week, but now there are at least four cable networks dedicated
E.While children’s programming had once been limited to a few hours a week, at least four cable networks are now dedicated
答案是D，E为什么错了呢？这里的there be 结构怎么又对了呢？？先谢谢啦！！
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发表于 2012-2-14 15:41:03
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