Ben ____________ (break) his arm when he ____________ (ski).
broke ... was skiing
A fire broke out at a shopping mall yesterday. When the reporters ____________(arrive), the firefighters ____________ (put) out the fire.
arrived ... were putting
Patrick ____________ (find) the missing keys this morning when he ____________ (tidy) the living room.
found ... was tidying
Mrs Chu ____________ (mop) the floor when the phone ____________ (ring).
was mopping ... rang
The children ____________ (study) for the exam in their bedroom when a bee ____________ (fly) in.
were studying ... flew
Kenny ____________ (build) a sandcastle when Helen ____________ (take) the picture.
was building ... took
Dad ____________ (chat) with Uncle Joe when I ____________ (come) in.
was chatting ... came
The children ____________ (make) models when Mum ____________ (knock) the door.
were making ... knocked