________ the reason, it is for sure that
题型:选择题
问题:
________ the reason, it is for sure that yawning can be passed from person to person.
A.Whatever
B.Wherever
C.Whichever
D.However
________ the reason, it is for sure that yawning can be passed from person to person.
A.Whatever
B.Wherever
C.Whichever
D.However