来自李爱群的问题
【Haveyoufoundout_____thetwopeoplearetakingaboutinthistapes?A.thatB.whereC.whatD.whether】
Haveyoufoundout_____thetwopeoplearetakingaboutinthistapes?
A.that
B.where
C.what
D.whether


【Haveyoufoundout_____thetwopeoplearetakingaboutinthistapes?A.thatB.whereC.whatD.whether】
Haveyoufoundout_____thetwopeoplearetakingaboutinthistapes?
A.that
B.where
C.what
D.whether
C.what
因为aretakingabout后缺少宾语,只有what既能引导宾从,又能在从句中作宾语.