I ____________ (chat) with my friends while my teacher ____________ (teach) the lesson yesterday.
A.was chatting – teaching
B.was chatting – was teaching
C.was chatting – taught          
D.chatted - taught

The word “tissues” in the passage mostly means_____ .


 
A.“the smallest units of living matter that can exist on their own”  
B.“collections of ceils that form the different parts of humans, animals and plants”  
C.“very small living things that cause infectious disease in people, animals and plants"
D.“the simplest forms of life that exist in air,  water, living and dead creatures and plants”

I  ____________ (drive) my car very fast when you called me.
A.drove
B.was driving
C.was drive      
D.were driving

At this time last year, they ____________(build) this house.
A.built   
B.was built       
C.was building
D.were building

My mother ____________ (not do) the housework when my father came home.
A.didn’t do
B.didn’t doing
C.wasn’t doing
D.weren’t doing

My sister ____________ (read) books while my brother ____________ (play) football yesterday afternoon.
A.was reading - playing         
B.was reading- was playing
C.was reading – played          
D.read – was playing

My mother ____________ (cooking) lunch while my father ____________ (clean) the floor at 10 am yesterday.
A.was cooking – was cleaning
B.cooking – cleaning
C.cooked – cleaned                
D.was cooking - cleaned

He ____________ (chat) with his friend when his mother came into the room.
A.chatting         
B.chatted
C.was chatting
D.was chatted

They ____________ (work) when we got there.
A.was working
B.were working
C.working
D.was worked

He ____________ (type) a letter when his boss went into the room.
A.was typing    
B.typing
C.typed
D.was typed