The telephone lines were brought down by the trees and branches.A. fallB. fallenC. fellD.

发布时间：2020-08-16 12:53:07

  The telephone lines were brought down by the       trees and branches.
A. fall
B. fallen
C. fell
D. falling

网友回答

A. fall
B. fallen
C. fell
(答案→)D. falling
解析：考查非谓语动词。现在分词做定语表示动作的进行而过去分词作定语表示动作的完成。句意：电话线被下落的树枝弄断了。
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