I was waiting for a bus when the UFO ____ ____(降落)the street
I was waiting for a bus when the UFO ____ ____(降落)the street
When I was walking in the street yesterday, I saw a UFO ____
When the UFO took off ,the girl was waiting for a bus.(变成一般疑
Look,they are waiting for a bus at the ____ ____
I was waiting for the bus when I met the woman ."you look ti
14.I ____ along the street looking for a place o park when t
Did you see the UFO?When it ____(landed,was landing),I was i
When i was waiting for the bus,TOM came__his father's car
I saw a UFO-over my head when I was walking toward the bus s
I was walking down the street when a UFO landed down.
I was walking down the street when a UFO landed right in fro
when he was waiting for the bus,he saw a dog.改错怎么改,为什么?