Correct the errors

1.Though not very big, the restaurant is popular in our area. It is always crowded with customers at meal times. Some people even had to wait outside. 2.【Every day he makes sure that fresh vegetables and high quality oil are using for cooking.

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have

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used

3.Before getting into the car, I thought I had learned the instructor’s orders, but once I started the car, my mind goes blank.  4.The instructor kept repeating the words, “Speed up!” “Slow down!” “Turning left!”

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went

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Turn