I could hardly remember how many times ___ I have failed.

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I could hardly remember how many times ___ I have failed.
A.that B.which
C.when D.at which
那个是对的,为什么?谢谢

A 这里的times表示次数,所以用关系副词that.我记不清我已经失败多少次了.
关系词的选择依据在从句中所做的成分,先行词在从句中做主、定、宾语时,选择关系代词 (who,whom,that,which,whose)；先行词在从句中做状语时,应选择关系副词 ( where 地点状语,when 时间状语,why 原因状语,that则可以用于表示时间、地点、方式、理由的名词后取代when,where,why或"介词+ which"来引导定语从句,在口语中that常被省略,例如：His father died the year (that / when / in which) he was born.他父亲在他出生那年逝世了.
这句话中,先行词times在从句中作状语,所以关系代词which不能选,剩下ACD项.而由于次数是频率,不属于时间状语,所以不能用when,剩下AD两项.而且,通常在次数前面,一般不加in,on,at这一类的介词而直接说 I have failed many times.所以D项也是不正确的.
所以最终答案选A.并且在口语中,这个that可以被省略.

I could hardly remember how many times ___ I have failed. I have forgotten how many times I have pain I could hardly remember ___.A.something B.anything C.nothing How many times do I have to tell you? 求翻译在线等 How could I tell you how many times you'd crossed my I can hardly remember I told him many times but he failed ( )(understand)it. —— many times,I still could not understand how to operate th just how many times do I have tosay"no,thank you"(when)I rea Although I failed four times,myfather encouraged me to have I don't remember how many years ago ___ that people began to How many times do I have to tell you ,guy,you are wrong