------Tony, are you listening to me ? --
题型:选择题
问题:
------Tony, are you listening to me ?
------Sorry sir, I to understand what you said just now.
A.try
B.was trying
C.tried
D.have tried
------Tony, are you listening to me ?
------Sorry sir, I to understand what you said just now.
A.try
B.was trying
C.tried
D.have tried