题目内容
15.It has been three years we last _______ each other in Nanjing.( )| A. | since; saw | B. | before; see | C. | after; will see | D. | when; have seen |
分析 自从我们上次在南京见面以来,已经三年了.
解答 答案:A.考查连词.句意"自从我们上次在南京见面以来,已经三年了.".since自从.before在…之前.after在…之后.when当…时候.It is/has been+一段时间+since从句"自从…以来已经有多长时间了".固定搭配.因此用since引导状语从句,since后跟一般过去时.答案是A.
点评 连词可以表并列、承接、转折、因果、选择、假设、比较、让步等关系,要结合语境,选择合适连词用法.
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