问题
选择题
-This bus is always late, __________?
-It sure is.[ ]
A. is not it
B. isn't it
C. isn't the bus
D. doesn't it
答案
答案:B
-This bus is always late, __________?
-It sure is.[ ]
A. is not it
B. isn't it
C. isn't the bus
D. doesn't it
答案:B