he left yesterday,so he ()in beijing .A.may arrive B.may have arrived C.must arrive D.arrived
问题描述：
he left yesterday,so he ()in beijing .A.may arrive B.may have arrived C.must arrive D.arrived
答
He left yesterday, so he may have arrived in Beijing.
表示推断,现在完成时,所以选B,C如果改成must have arrived也是可以考虑的,语气比较肯定的.