It was not raining when the game ..
A. began B. was beginning
C. begins D. begun

They were playing chess while I TV.
A. watched B. was watching
C. used to watch D. watch

My mother was playing the piano .I interrupted her
A. when B. after
C. before D. while

Theyve been working in London since they ..
A. graduate B. were graduating
C. have graduated D.graduated

Id love ..you again
A. to see B. seeing
C. will see D. to be seen

We enjoy ..comic stories .
A. to read B. read
C. to be reading C. reading
She told me that she .the dress.