第1个回答 2010-05-20
my father taught me to ski when I was 12
第2个回答 2010-05-20
My father taught me how to ski when I was 12.
第3个回答 2010-05-20
My father taught me to ski when I was 12.
第4个回答 2010-05-20
My father taught me to ski when I was 12.
第5个回答 2010-05-20
my father taught me to ski when l was 12.