Tom knows the answerto this question.
问题描述:
Tom knows the answerto this question.
Tom knows the answerto this question.
A.So Tina does.
B.So does Tina.
C.Tina does so.
D.Does Tina so.
麻烦写下原因.
答
B
汤姆知道这个问题的答案. 缇娜也知道.