This is the reason________an aeroplane can’t fly in space.A、whichB、whyC、where

游客2024-01-14  21

问题 This is the reason________an aeroplane can’t fly in space.

选项 A、which
B、why
C、where
D、for that

答案 B

解析 句意:这就是飞机不能在太空飞的原因。先行词为reason,why在定语从句中作原因状语,故选B。
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