[ Grammar ]
The tetracyclines, _____ antibiotics, are used to treat infections.
A. are a family of
B. being a family
C. a family of
D. their family is
Select your answer:
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Other quiz:
Tenses › ViewChoose the most suitable form of verb for the sentence below.
Our class ________ a trip to Jerusalem in 2019.
A. makes
B. made
C. was making
D. has made
Personal Pronouns › View
Many people take care of dogs by going to the veterinarian regularly. ___ are concerned with their pets’ health.
A. She
B. He
C. They
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