孩子们因为害怕雷声而挤在一起。

The children ___huddled together because they were scared of the thunder.

孩子们在寒冷的夜晚蜷缩在一起取暖。

The children ___huddled together to keep warm on the cold night.

学生们围在一起小声讨论考试答案。

The students ___huddled together to whisper about the exam answers.