Simple Past vs. Present Perfect - which tense should we use?

His nephew ____________(start) walking lately.

• was started

• started

• has started

• have started

My neighbours _________ 3 years ago.

• got married

• have got married

• were marry

• had married

_________ the Northern Lights live?

• Did you ever see

• Did you ever seen

• Have you ever see

• Have you ever seen

Kevin ________ his own bills. His parents always do it for him.

• hasn't never paid

• haven't never paid

• has never paid

• have never paid

My best friend ____________ last year.

• got divorced

• has got divorce

• have divorced

• have got divorced

I _______ my grandma an hour ago.

• has call

• has called

• have called

• called

Dave and Dorothy ___________ London, yet.

• didn't visit

• hasn't visit

• haven't visited

• hasn't visited

She _________ a horse yesterday.

• rode

• has ridden

• has ride

• have ride

__________ at work last Thursday?

• Were you

• Have you been

• You were

• Have been

I _______ to Germany twice so far.

• was

• have been

• has been

• were