题目内容：

Directions: Translate the following sentences into English, using the words given in the brackets.

1.窃贼一定是深夜时从窗户逃出去的。(must)

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2.在上海处处可见行人为坐在轮椅上的老人或残疾人让路。(make way)

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3.新生身处不习惯的学习环境，产生焦虑是很自然的。(It)

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4.唯有亲临这部音乐剧的现场，你才会明白为何六十年来每场演出都座无虚席。(Only)

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