我的问题比较多，小凯每次都耐心回答，不清楚的地方也会解释清楚
I am really satisfied with William's service. My essay is clear and well-written under his modification. I also want to thanks his patience, he have fixed my essay for several times.
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我的问题比较多，小凯每次都耐心回答，不清楚的地方也会解释清楚
I am really satisfied with William's service. My essay is clear and well-written under his modification. I also want to thanks his patience, he have fixed my essay for several times.