第1个回答 2007-04-05
When walking in the street,I saw a wallet.
第2个回答 2007-04-05
I saw a wallet when I was walking in the street.
第3个回答 2007-04-05
I saw a wallet when i was walking in the street.
第4个回答 2007-04-05
When I was walking on the road,I found a purse on the ground.
第5个回答 2007-04-05
I came across a wallet when i was walking on the street