新东方语法教程练习2－11

lypwilliam · 发表于 2004-10-5 12:29:00

most nations regard their airspace as extending upword as high as

an aircraft can fly; no specific altitude,however,has been officially recognized as a boundary.

A.as extending

B.as the extent

how to choose? thx!

likui · 发表于 2004-10-5 13:03:00

觉得应该选B

1 regard sth as sth (这里是个名词词组）

2 有the extent to 这里换成upword也容易理解

3 doing 表动作的过程，这里好像不是这个意思

lypwilliam · 发表于 2004-10-5 13:45:00

I prefer B too, but the answer is A .

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