问题:
________ do you ________ for the bus? At the bus stop.
A.Why; waiting
B.Who; waiting
C.Where; wait
D.When; wait
________ do you ________ for the bus? At the bus stop.
A.Why; waiting
B.Who; waiting
C.Where; wait
D.When; wait
A.Why; waiting
B.Who; waiting
C.Where; wait
D.When; wait
参考答案: