III. Choose the best answer for the following sentences 21. I moved to the front of the room _______ I could see better. A. so as to B. in order to C. to D. so that 22. The boy tiptoed into the room _______ wake everybody up. A. so as to B. in order that C. so as not to D. in order to 23. He turned out the light ________ waste electricity. A. not B. without C. so that not D. in order not to 24. I am lighting the fire so that the house _______ be warm when they return. A. would B. wouldn’t C. will D. won’t 25. Mary worked hard _______ pass the examination. A. as so to B. so as to C. so that to D. in order not to 26. She is taking science course at school ______ order to choose science for her profession. A. so B. on C. in D. at 27. She weighed herself _______ know the pull of the earth exerting on her. A. for B. so that B. in order D. to 28. He hurried so that he ________ miss the train. A. won’t B. doesn’t C. didn’t D. wouldn’t 29. He does morning exercises regularly _______ to improve his health. A. not B. without C. so that not D. in order 30. Mary took her brother to school for him ________ English. A. to learn B. learning C. learns D. learned