You can see as far as the Taibai Mountains on top of the building _____ the sky is clear.

A. when
B. where
C. though
D. because
相關(guān)習(xí)題

科目：高中英語 來源：0127 模擬題 題型：單選題

You can see as far as the Taibai Mountains on top of the building _____ the sky is clear.
[     ]
A. when
B. where
C. though
D. because

查看答案和解析>>


同步練習(xí)冊答案