[ Vocabulary & Grammar ]
The technicians were able to work faster as they became familiar ___________ the new machines.
A. to
B. with
C. about
D. at
Select your answer:
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Tenses › ViewTomorrow we will be eating hamburgers.
A. present progresive
B. past progressive
C. future progressive
D. present (simple)
Grammar › View
This old soldier wants to write a book about his experiences fighting in wars, and have it ____________ before he turns eighty next May.
A. to publish
B. to be published
C. publishing
D. published