I don't know ______ snooker (斯诺克台球) is p
题型:选择题
问题:
I don't know ______ snooker (斯诺克台球) is popular among teenagers in your country. [ ]
A. that
B. what
C. whether
D. where
I don't know ______ snooker (斯诺克台球) is popular among teenagers in your country. [ ]
A. that
B. what
C. whether
D. where