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动词时态和语态精讲精炼10 310.All the employees except the manager ____ to work online at home. A.encourages B. encourage C. is encouraged D. are encouraged 〖答案〗D 〖考点〗本题考查时态和主谓一致。 〖解析〗主语是all the employees(复数) , 而不是the manager, 排除答案A和C；又因all the employees与encourage是被动关系, 要用被动语态, 排除B, 故选D。The mayor of Beijing says that all construction work for the Beijing Olympics _____by 2006. A. has been completed B. has completed C. will have been completed D. will have completed 〖答案〗C 〖考点〗本题考查时态。 〖解析〗结合语境, 应用被动形式；by 2006说明该动作现在尚未结束。 Now that she is out of a job, Lucy ____going back to school, but she hasn’t decided yet. A. had considered B. has been considering C. considered D. is going to consider 〖答案〗B 〖考点〗本题考查时态。 〖解析〗根据but she hasn’t decided yet (尚未决定) 可知, 从开始失业时起一直在考虑再去上学, 现在还在考虑。表示从过去某一时刻开始一直到现在, 并且现在依然在发生的动作, 用现在完成进行时, 现在完成进行时由“have/has been doing”构成, 所以选B。― What were you doing when Tony phoned you? | 
