What's that __was flashed in the sky just now?A which B that C who D as 为什么选A?

What's that __was flashed in the sky just now?A which B that C who D as 为什么选A? fl.oz.u.s my best friend could not come to the party,__was a pity a that B it C what D which 为什么选D What's that是什么意思 What's that?中文 what 's that mean? What's that? What's that again? what's that down the activity was delayed,__was exactly __we wanted A.that,that B.which,which C.that ,whatD,which,what为什么不选C,that不是也可以做主语吗? What's this,and what's that. /fl): It is said__ __was all__he said. 答案：that that that why? 要分解题意并解释 what's the fucking that? What's that over there?----------------------？ what 's that on the that's what i think that's not what it