He ......... (walk) to work when it ...........(start) to rain.
was walking - started
The teacher ................... (write) on the board while the students ................ (talk).
was writing - were talking
What's the job?
author
My mum ................ (cook) while I .................... (clean).
was cooking - was cleaning
The mechanic ................ (repair) the car when the customer ............ (arrive).
was repairing - arrived
I ...... (wait) at the library when the author .......... (come) in.
was waiting - came
What's the job?
journalist
The cat ............... (play) while the dog .................... (sleep).
was playing - was sleeping
What's the job?
receptionist
What's the job?
mechanic
She ............ (type) when her boss ............... (phone).
was typing - phoned
What's the job?
vet
What's the job?
secretary
What's the job?
builder
The footballer ............. (run) when he ............... (fall) over.
was running - fell