The temporary workers will be hired to trim trees and other vegetation that ______the view of traffic control devices.

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问题 The temporary workers will be hired to trim trees and other vegetation that ______the view of traffic control devices.

选项 A、adjust
B、obstruct
C、simplify
D、intensify

答案B

解析 词汇:动词1.这是一道选项均为动词的词汇题,2.原文意思是“阻挡交通控制设备的视野”,因此(B)obstruct为正确选项。
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