past simple vs past progressive

I ......................... (do) my homework yesterday.

• did
• do
• were doing
• doing

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

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

She ................................nervously outside the examination room when they ........................her. 

• was walking / called
• were walking / called
• walked / were calling

what is the past simple of:

break

• broke

• broken

• breaked

Complete the following blank spaces with the correct alternatives:

I _______________ him when he _________________ cake.

• saw / was eating

• sawing / eating

• was sawing / eats

• saw / were eating

Complete the following blank spaces with the correct alternatives:

The mixer ______________ down when I ___________________ dinner.

• break / cooked

• broke / was cooking

• was breaking / cooked

• were breaking / were cooking

Complete the following blank spaces with the correct alternatives:

The boys _______________ because it ____________________ .

• played / were raining

• didn't play / was raining

• played / were raining

• wasn't playing / were raining

what is the past simple of:

go

• went

• gone

• goes

Complete the following blank spaces with the correct alternatives:

When they _______________we __________________ for the bus.

• come / waited

• came / was waited

• were coming / waited

• came / were waiting

We ______(hear) the score when we ______ (travel) in Florida.

• heard/ traveled

• heard/were traveling

• were hearing/were traveling

• were hearing/traveled