题目：
用 so that/in oder that/ in oder to/ so as to。
1. She worked hard ____ everything would be ready in time.
2. Nothing more was heard from him ____ we began to wonder if he was dead.
3. He got up early this morning ____catch the first train.
4) ____ pass the exam, he studiedeven harder.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A
