I would have gone to visit him in the hotel had it been at all possible, but I ________ fully occupied.
A. were B. had been
C. have been D. was
Never before ________ the famous museum was just a stone's thro away from their school, so out ________.
A. had they known; went all they B. they had known; went all they
C. had they known; they all went D. they had known; they all went
We just wonder ________ bargaining enjoys a real love and great appreciation among many people.
A. why is it that B. what is it that
C. what it is that D. why it is that
We had better pay attention to some health problems that, when ________ in time, can become bigger ones later on.
A. not treated B. not to be treated
C. not having been treated D. not being treated
A study shows that the agent hasn’t broken rules， but ________ responsibly.
A. he has neither acted B. so has he acted
C. neither has he acted D. he has so acted
假定你是李华，你的美国网友Tim向你询问中国高中生寒假的有关情况。请发一封电子邮件向他简单加以介绍。
内容主要包括：
1．假期的具体时间(1月15日至2月24日)；
2．丰富的假期活动(运动、娱乐、学习、参加社会活动等)；
3．你的寒假计划。
注意：1．词数100个左右；
2．可适当增加细节，以使行文连贯；
3．邮件的开头和结尾已为你写好，不计入总词数。
参考词汇：social activities社交活动
Dear Tim，
I’m glad to receive your letter．
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Best regards．
Li Hua
