-__________ has your friend been to the
题型:选择题
问题:
-__________ has your friend been to the Great Wall?
-Twice.[ ]
A. How often
B. What time
C. How long
D. How many times
-__________ has your friend been to the Great Wall?
-Twice.[ ]
A. How often
B. What time
C. How long
D. How many times