---Where_____ you _____ these days? I haven’t seen you long.---To Britain. I left for London two months ago and returned last week .A.do, goB.will, goC.have, goneD.have, been
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D解析考察时态。根据下文我有很久不见你了。可知前文问的是过去发生现在已完成的事情，故用现在完成时态，瞬间动词不能和these days连用，故选D。