来自陆剑江的问题
【he____herefor20yearsbytheendofnextmontha.hadworkedb.hasworkedc.willhaveworkedd.willwork那个对,关键其他3个为什么错?】
he____herefor20yearsbytheendofnextmonth
a.hadworked
b.hasworked
c.willhaveworked
d.willwork
那个对,关键其他3个为什么错?
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