Topics: Perfect Tenses
Bill ________ (train) new recruits for many years when he finally received recognition for his efforts.
A. had been training
B. has been training
C. had trained
D. has trained
Select your answer:
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Grammar › ViewThen I ______ that there should be in the minerals some unknown element having a much greater radioactivity than uranium or thorium.
A. am thinking
B. think
C. had thought
D. thought
Articles › View
There is ________ box of chocolates on ________ table for you.
A. a, the
B. the, a
C. a, a
D. the, the