【1701】 An awful accident _____, however, occur the other day.
【译文】 然而一场可怕的事故在前些天发生了。
A. does B. did
C. ha高考资源网s to D. had to
【答案及简析】 B。 the other day 指的是过去,只能用did。
【1702】 The doctor said that about 20 thousand yuan _____ for this operation.
【译文】 医生说这场手术要花大约二十万元。
A. would be needed B. be needed
C. will be needed D. is needed
【答案及简析】 A。 主句是一般过去时态,从句中应该是过去的时态。
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