While the boy ______ down the street, the UFO _____ .
A.was walking; was landing |
B.walked; landed |
C.was walking; landed |
D.walked; was landing |
While the boy ______ down the street, the UFO _____ .
A.was walking; was landing |
B.walked; landed |
C.was walking; landed |
D.walked; was landing |