A
How long do you suppose it is __since___ he arrived here?
.他來了多久?不到半年
后面一句里有half a year,表示一段時(shí)間,所以選A ,如果選B的話要改成a month ago,因?yàn)槭且粋€(gè)時(shí)間點(diǎn)也就是說since用時(shí)間段，before用時(shí)間點(diǎn)？嗯，如果改成a month ago可用before
求解答——How long do you suppose it is___ he arrived here?——No more than half a week
求解答——How long do you suppose it is___ he arrived here?——No more than half a week
A since B before C after D when
還望給出詳情
A since B before C after D when
還望給出詳情
英語人氣：143 ℃時(shí)間：2020-03-14 21:24:28
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