present perfect continuous vs present perfect simple

Complete the gap:

The company is huge. It __________ a thousand new jobs since the beginning of last year.

• has been creating

• has created

• have been created

Complete the gap:

I _________ this car for twenty years and it's as reliable as ever.

• had

• have been having

• have

• have had

Complete the gap:

I'm afraid the company is going bankrupt. It ___________ big problems lately.

• is having

• has

• has been having

• has had

Complete the gap:

How many of these questions ____________ to get right so far?

• have you managed

• have you been managing

• you managed

• you have managed

Complete the gap:

I'm a bit worried about Malcolm. He ___________ very strange of lately.

• acted

• has acted

• has been acting

Complete the gap:

I _____________ to repair the lock on our door for the last four hours without any success.

• am trying

• tried

• have tried

• have been trying

Complete the gap:

- Why are you out of breath?

- Because ______________up the stairs from the bottom floor.

• I’ve just run

• I’ve just been running

• I've just ran

Complete the gap:

John's disappeared. Does anyone know what _________ to him?

• happened

• has been happening

• has happened

• has been happened

Complete the gap:

You're soaking wet. How long ____________ here?

• have you been standing

• have you stood

• you have been standing

Complete the gap:

I __________ for my keys since yesterday, but I __________ them.

• 've been looking / haven't found

• 've been looking / haven't been finding

• 've looked / haven't been finding