求理由!3Q!The knowledge of yoga and what good it does for human body___ under constant research since it was introduced to China.A.is B.are C.has been D.have beenMany a neighbor ____ that Mr.X's parrot _____ three languages.A.feel surprising;speak

求理由!3Q!The knowledge of yoga and what good it does for human body___ under constant research since it was introduced to China.A.is B.are C.has been D.have beenMany a neighbor ____ that Mr.X's parrot _____ three languages.A.feel surprising;speak
求理由!3Q!
The knowledge of yoga and what good it does for human body___ under constant research since it was introduced to China.
A.is B.are C.has been D.have been
Many a neighbor ____ that Mr.X's parrot _____ three languages.
A.feel surprising;speaks
B.feel surprised;speaks
C.feels surprised;shall speak
D.feels surprised;speak

求理由!3Q!The knowledge of yoga and what good it does for human body___ under constant research since it was introduced to China.A.is B.are C.has been D.have beenMany a neighbor ____ that Mr.X's parrot _____ three languages.A.feel surprising;speak

选C

since 后面用一般过去时,前面用完成时
主语是单数形式,用has been

选 C

many a＋单数可数名词”形式上为单数,但意义上为复数(意为“许多”).
若用作主语,其谓语通常与形式一致而不与意义一致(即谓语用单数)

第二题应该选b吧，，我是初三的。

C D 第一个body为单数 是现在完成时态，第二个应该选D