i danced for an hour.
i danced for an hour.
I have been working for an hour. I have working for an hour.
I waited for the train (for) over an hour.
I waited (for) you (for) half an hour
I can stay an hour.还是I can stay for an hour?
for an hour
I danced for three hours last
I’m going to the shop _____.A.for an hour B.after an hour C.
I ____for you for an hour.Where have you been.
I ususlly go( )(walk)for half an hour
I sometimes play basketball for half an hour同义句
I couldn't stand ___ waiting for an hour.