_______ it got dark, they worked hard there.

Is this the reason ______ at the meeting for his carelessnessin his work

The result was far beyond _______we had expected, _______ brought great joy to every one of us.

Male nurses are difficult to hire as many men reject this______ out of the long-existing discrimination．

Look! The young girl is dressing up _______ an old woman ________ a black coat.