来自史栋杰的问题
选哪个并解释原因Hehasn'tcometoclassyet.Whatdoyouthink______?选哪个?麻烦解释原因（最好是ABCD四选项具体分析）Hehasn'tcometoclassyet.Whatdoyouthink______?A.washanppenedtohimB.hashappenedtohimC.d
选哪个并解释原因Hehasn'tcometoclassyet.Whatdoyouthink______?
选哪个?麻烦解释原因（最好是ABCD四选项具体分析）
Hehasn'tcometoclassyet.
Whatdoyouthink______?
A.washanppenedtohimB.hashappenedtohimC.didhehappenD.hashehappened
