一、考查有时间标志词时,动词时态在特定语境下的运用In order to find the missing child,villagers_____all they can over the past five hours.A.did B.doC.had done D.have been doing解析:答案为D。over the past five hours常与现在完成时或现在完成进行时连用,因此选D。过去完成时表示过去的过去,不符合语境。 First, examine the time word signs, the verb tense in a specific context of the use of In order to find the missing child, villagers _____ all they can over the past five hours.A.did B.doC.had done D.have been doing Analysis: The answer is D. Over the past five hours often with the present or the completion of the time now used in conjunction, so choose D. When the past was completed, it indicated that the past tense was not in line with the context.