—Dane hasn't arrived yet —____? To my kn
问题:
—Dane hasn't arrived yet
—____? To my knowledge, he is a punctual person.
A.How come
B.So what
C.What if
D.Why not
—Dane hasn't arrived yet
—____? To my knowledge, he is a punctual person.
A.How come
B.So what
C.What if
D.Why not