A)HeardB)Havingheard C)HearD)Tohear 依据非谓语动词hear与其逻辑主语hisfriends之间的主动关系,以及前后句的逻辑关系,可以断定用现在分词形式来作时间状语,再根据现在分词的动作“听说”发生在主要谓语动词“来”之前,由此判断应该用现在分词的完成式(只用作状语时...
Until 1954 it was thought that no man could run one mile in less than four minutes. As years 36 ,the record came closer and closer to four minutes 36.A.passed along B.passed down C.went by D.went over go for 主张 go for a walk 散步 ...
21. The writer feels painful when he has to___ . A. balance schoolwork and sports. B. handle conflicts with his friends C. choose between track and tennis D. practice sports all the year round 22. A straight-A student probably means___ . A. a hardw...
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