The Appalachian Trail, ______approximately 2020 miles from Maine to Georgia, is

游客2025-03-20  8

问题 The Appalachian Trail, ______approximately 2020 miles from Maine to Georgia, is the longest continuous marked footpath in the world.

选项 A、extending
B、to extend
C、being extended
D、extended

答案 A

解析 extend是非及物动词,据此排除B、D。分词短语extending…在句中作说明情况的状语,在此处相当于定语从句which extends…。
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