Last night，there were millions of people ________ the opening ceremony live on TV.
A. watch B. to watch
C. watched D. watching
When we saw the road ________ with snow, we decided to spend the holiday at home.
A. block B. to block
C. blocking D. blocked
the course very difficult, she decided to move to a lower level.
A. Find B. Finding
C. To find D. Found
______ where to have a picnic for several days，the big family finally made a decision.
A. Discussed B. Discussing
C. To discuss D. Having discussed
_____in voluntary work makes him feel happy and fulfilled.
A. Participate B. Participated
C. Participating D. Having participated
假设你是李华。你的美国朋友Jim即将完成学业，不久前来信就是否到中国工作询问你的意见。请根据以下提示回一封电子邮件。
(1)建议他可以来中国;
(2)阐述你的理由(就业机会多、专业受欢迎、不同的文化体验等);
(3)承诺可以提供帮助。
注意:
1. 词数不少于100;
2.可适当增加细节，使内容充实、行文连贯。
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