When and While Using Past Simple and Past Continuous

I .............................home when I met my old friend from primary school. 

• walked
• was walking 
• was coming

What ..........................................yestarday at  p.m. ?

• was you doing
• were you doing 
• did you

They ....................................very fast when the car hit the tree. 

• was driving
• were driving
• drove

He .......................................... the glass while he ............................................the washing up. 

• was dropping / did
• dropped / did
• dropped / was doing 

Where ............................................. these beautiful shoes?

• did you bought
• did you buy
• were you buying

Who ............................................to you when I .............................you in the park?

• were talking / saw
• was talking / saw
• talking / saw

While I .....................................the bathroom, he .....................................TV ! 

• was cleaning / watched
• cleaned / was watching
• was cleaning / was watching 

The kids ...............................................when I entered their bedroom. 

• wasn't sleeping
• didn't slept
• weren't sleeping

He ................................at 7, .........................a shower and left the house. 

• got up / was having
• got up / had
• was getting up / had

I ......................my finger while ..........................dinner. 

• cutted / was cooking
• cut / cooked
• cut / was cooking