题目内容
7.A moment,please.I'm checking if Mr.Smith free tomorrow.( )| A. | is | B. | being | C. | to be | D. | will be |
分析 等一会.我正在检查一下明天史密斯先生是否有空.
解答 答案:D 根据check,可知其后的if意思为"是否",当if作是否讲时,从句中的时态要根据从句中的时间状语来判断.因为从句中的时间状语为tomorrow,可知用一般将来时(will+动词原形).故选D.
点评 本题考查if引导的从句中的时态问题.当if引导条件状语从句时,符合主将从现原则.当if引导宾语从句时,从句的时态要根据从句的时间状语来判断.
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