Present Perfect vs Past Simple

I...never.... to China. What’s it like?

I haven't visited Laura ...... last week.

Tom hasn't tried windsurfing ....

I ... an email to Jack last week, but he hasn’t replied.

I ... my friends in San Francisco, 5 years ago.

. ..you ever ... the lottery in your life?

Her friend ... to London two years ago.

I haven't been on holiday ........ 2003.