I was going along the street looking for a place to park when the accident o_____.

I ________ along the street looking for a place to park when the accident ________.

1. A.
   went; was occurring
2. B.
   went; occurred
3. C.
   was going; occurred
4. D.
   was going; had occurred

I ______ along the street looking for a place to park when the accident ____________.

A．went；was occurring

B．went；occurred

C．was going；occurred

D．was going；had occurred

I ____ along the street looking for a place to park when the accident ____.

  A. went; was occurring            B. went; occurred    

 C. was going; occurred            D. was going; had occurred

I ______along the street looking for a place to park when the accident______ .

A.went;was occurring

B.went;occurred

C.was going;occurred

D.was going;had occurred