[ Tenses ]
She ___ three research papers on climate change since she started working at the university.
A. writes
B. wrote
C. has written
D. is writing
Select your answer:
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Tenses › ViewI _______ a letter to my friend last month.
A. Have written
B. Write
C. Wrote
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Present Tenses › View
____ (you/ not/ see) the difference between the two pictures?
A. Don´t you see
B. Aren´t you seeing
C. Haven´t you seen
D. Haven´t you been seeing