While I (a)   to the radio, the telephone (b)   .

• was listening
• listened
• rang
• was ringing

He ​ (a)   his leg when he (b)   in the Alps.

• broke
• was breaking
• was skiing
• skied

They (a)   to the orchestra when the pianist ​ (b)   .

• were listening
• listened ​
• fainted
• was fainting

Ann (a)   the piano while Tom (b)   a picture.

• was playing
• played
• was painting
• painted

We ​ (a)   an accident while we ​ (b)   for the bus.

• saw
• were seeing
• were waiting
• waited

She (a)   quietly at her desk when suddenly the door ​ (b)   and her daughter ​ (c)   in.

• was working
• worked
• opened
• was opening
• ran
• was running

While she (a)   lunch, she ​ (b)   herself.

• was preparing
• prepared
• cut
• was cutting

We ​ (a)   while we (b)   in Italy.

• met
• were meeting
• were living
• lived

Which countries ​ (a)   while they (b)   round the world?

• did they visit
• were they visiting
• were travelling
• travelled

(a)   in the garden when I ​ (b)   ?

• Were you working
• Did you work
• came
• was coming