Theprofessorcouldhardlyfindsufficientgrounds_____hisargumentsinfavorofthenewtheory.
A.on which to base B.which to base on C.to base on D.to be based on正确答案A
Theprofessorcouldhardlyfindsufficientgrounds_____hisargumentsinfavorofthenewtheory.
A.on which to base B.which to base on C.to base on D.to be based on正确答案A
