题目内容
Ⅲ.根据A句完成B句，每空一词。
16. A. Black clouds were making the sky very dark.
B. The sky very dark of l) lack clouds.
16. was,because
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题目内容
Ⅲ.根据A句完成B句，每空一词。
16. A. Black clouds were making the sky very dark.
B. The sky very dark of l) lack clouds.
16. was,because