---Do you know Wang Yifan? ---Yes. I hav
题型:选择题
问题:
---Do you know Wang Yifan?
---Yes. I have heard of him. I know_____he won the gold medal in Asian
Physics Olympic Test. [ ]
A. if
B. whether
C. that
D. what
---Do you know Wang Yifan?
---Yes. I have heard of him. I know_____he won the gold medal in Asian
Physics Olympic Test. [ ]
A. if
B. whether
C. that
D. what