I___in the strreet when I___an alien___out of the UFO.A.was
The boy was playing basketball when a UFO l____.
I was sleeping when the UFO arrived
I was taking a walk when the UFO landed.改成同义I ——when the UFO
The boy was walking down the street when a UFO landed on Cen
1.The boy was walking down the street when a UFO landed.
I was waiting for a bus when the UFO ____ ____(降落)the street
reading,was,when,took,off,boy,a,the,book,ufo,the
When the UFO took off ,the girl was waiting for a bus.(变成一般疑
I was taking a shower in the bathroom when the UFO landed 的意
what was the girl doing when the ufo took on?
when the UFO arrived, I was in the library.
l was walking down the street when a ufo landed right in fro