問題詳情:
―I'm sorry,but smoking is not allowed in this section on the train.
―Oh,I __________ that,and l won't again.
A.don't know B.didn't know C.won't D.haven't known
【回答】
B知識點:一般過去時及其被動式
題型:選擇題
問題詳情:
―I'm sorry,but smoking is not allowed in this section on the train.
―Oh,I __________ that,and l won't again.
A.don't know B.didn't know C.won't D.haven't known
【回答】
B知識點:一般過去時及其被動式
題型:選擇題