Past Simple or Past Continuous?

I _ with any of the plans my friends made.

• didn't agree

• wasn't agreeing

None of the students _ the lesson

• was understanding

• understood

My ex-boyfriend was very annoying! He _ his dirty clothes on the floor.

• always leaves

• was always leaving

The Titanic (a) _ the Atlantic when it (b) _ an iceberg.

• (a) was crossing

• (b) crossed

The Titanic (a) _ the Atlantic when it (b) _ an iceberg.

• (b) was striking

• (b) struck

Dave (a) _, looked at his watch and (b) _ that he was late.

• (a) was getting up

• (a) got up

Dave (a) _, looked at his watch and (b) _ that he was late.

• (b) saw

• (b) was seeing

While my dad (a) _, I (b) _ in the garden.

• (a) was sleeping

• (a) slept

While my dad (a) _, I (b) _ in the garden.

• (b) was playing

• (b) played

Yesterday, I _ my finger with a knife

• cut

• cutted