For many years, tourists ... to Yellowstone National Park.

[Vuser]

1) For many years, tourists ______________________to Yellowstone National Park.

A) went

B) have gone

C) have being going

D) have been going

[Milanya]

D) have been going
(but "have been coming" is better)
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con·text - The part of a text or statement that surrounds a particular word or passage and determines its meaning.

[Alan]

Hi Vuser,

There have been one or two questions about 'come' and 'go' recently. 'Have been going' suggests that you as the speaker are not involved in the tourists but 'have been coming' suggests that you are there in the area and are involved in their arrival.

Alan
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English as a Second Language
You can read my ESL story Present Simple