Present Perfect Continuous VS Present Perfect Simple

Complete the sentences with the present perfect simple or present perfect continuous form of the verbs.

I __________ (try) to contact the travel agent since 10 o’clock this morning.

Complete the sentences with the present perfect simple and present perfect continuous form of the verbs.

Is it true that Julie __________ (go) on an eco-safari in South America? How long __________ (she / be) there?

Complete the sentences with the present perfect simple or present perfect continuous form of the verbs.

David __________ (do) three diving courses this year alone.

Complete the sentences with the present perfect simple or present perfect continuous form of the verbs.

How long __________ (know) this travel writer?

Complete the sentences with the present perfect simple or present perfect continuous form of the verbs.

Holidaymakers __________ (pollute) our beaches for years now. It’s time we did something about it.

Complete the sentences with the present perfect simple or present perfect continuous form of the verbs.

Sorry, I __________ (not work) here for very long. You’d better check with the manager.

Complete the sentences with the present perfect simple or present perfect continuous form of the verbs.

How long __________ (you / prepare) for this climbing expedition?