[ Vocabulary ]
We’ve never seen such a rapid increase in deaths. It’s ________.
A. unprecedented
B. unknown
C. prime
D. proficient
Select your answer:
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Tenses › ViewBy the time I arrived at the station, the train ______.
A. leaves
B. had left
C. was leaving
D. will have left
Tenses › View
___ they come to the party?
A. Are
B. Will
C. Have
D. Do