Grammar Quiz

[ Grammar ]

These scientists _____ cultural assimilation in some countries around the world for more than 20 years now.

A. has studied

B. has been studying

C. have studied

D. have been studying

Select your answer:
         


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Other quiz:

Vocabulary › View

(v) to move your head up and down, especially in order to show agreement or understanding

A. kick

B. nod

C. stare

D. clap


Present Simple Tense › View

The post office usually_____at 5.30 pm.

A. close

B. closes

C. closing

D. closed


How to use : Read the question carefully, then select one of the answers button.