Bob was trying to ______ that he knew the famous singer who would perform in our city.
A. lay out B. let out C. figure out D. make out
When entering the office, _____.
A. Winifred was found sitting at a desk B. Winifred was found sat at a desk
C. we found Winifred seated at a desk D. we found Winifred seating at a desk
_____ the opening ceremony of the Hong Kong-Zhuhai-Macao Bridge was President Xi Jinping accompanied by leading officials of Hong Kong, Macao and Guangdong province.
A. Attending B. Having attended
C. Attended D. To attend
Life is a tough journey, to some extent, _______ you still smile and love even though you are occasionally hurt and betrayed.
A. where B. what C. when D. which
We need a comprehensive _____ of the genetically modified food, under the leadership of the central government.
A. accumulation B. assessment
C. assistance D. accountant
假如你是李华，加拿大籍教师Smith于一年前来到你班上任教英语。在他的帮助下，你的英语学习有了很大进步。现在他工作结束，即将离任回国。请你写一封电子邮件对他的工作表示感谢，并预祝他旅途愉快。
要求：邮件内容需含以下要点：
1．过去学习英语困难（英语单词记不住；害怕开口说英语等）
2．Smith老师建议 (课余多读英语杂志书籍, 多听英文歌曲；多用英语交流等)
3．现在学习情况（对英语很感兴趣；口语交际能力也得到了提高）
注意：1. 根据以上内容写一篇短文，不要逐句翻译，
2. 词数100左右。
Dear Mr. Smith,
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