I .............................. to a robotics competition while I ............................. in the USA.

• go / was staying

• went / stayed

• went / was staying

• was going / stayed

We ............................. home from school, when it ............................. to rain.

• were walking / started

• walking / started

• walked / was starting

• walked / stayed

The sun ............................. when I ............................. today.

• shined / woke up

• was shining / woke up

• was shining / waked up

• shined / was waking up

I ............................. my friend while I ............................. for the bus to arrive.

• was calling / waited

• called / waited

• called / was waiting

• was calling / was waiting

My parents ............................. while they ............................. in a shop.

• met / worked

• met / was working

• were meeting / worked

• met / were working

We often use ............................. before the past continuous.

• while

• when

We often use ............................. before the past simple.

• while

• when

Write questions.

where / your parents / live / when / they / meet?

Write questions.

what / they / do / when / you / get / home yesterday ?

Write questions.

who / you / talk to / while / you / come / to school?