Present Perfect and Present Perfect Continuous

I _______________ to solve this problem for a while.

• tried

• have been trying

• try

I _______________ to solve this problem for a while.

• tried

• have been trying

• try

I couldn’t meet him. He had ___________ to Ireland.

• gone

• been

'You look tired.' 'Yes, I ________________ for hours.'

• am digging

• have been digging

• was digging

He ______________ working on that project.

• finished

• has finished

• is finishing

I _____________ that movie six times.

• had watched

• have watched

• have been watching

I ________________ cleaning the kitchen.

• have finished

• have been finishing

Have you ever ___________ a ghost?

• saw

• seen

• see

I _____________ a lot about him but I ___________ any opportunity to meet him.

• have heard, haven't had

• have heard, haven't been having

• heard, haven't have

She ____________ to Japan.

• has been going

• has gone

• Either could be used here