[ Tenses ]
Which example illustrates the use of the past perfect tense?
A. The President will have apologized
B. Doctor Harvey had built the first artificial brain
C. The worker is hammering
D. She has donated extensively to UNICEF
Select your answer:

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Grammar › ViewExcuse me. Do you have a pen?
Yes, I ____.
A. doesn’t
B. do
C. don’t
D. does
Quantifiers › View
There are _____________ grapes in the bowl.
A. any
B. some
