[ 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
Random Topics:
Comparatives - SuperlativesVerbs & Verb TensesTransitive and Intransitive VerbVerb to bePrepositions and ConjunctionsAnalogyAdverb of Frequency and TensesVerb Present Simple TensePossessive PronounsPresent Progressive (Future)Other quiz:
Grammar › ViewIt was ____________ nice weather after raining for days that lots of people came to the park.
A. so
B. such
C. too
D. how
Vocabulary › View
Healthy Workplace Club would like ………all employees, along with their families, to participate in the event this June.
A. to invite
B. invitation
C. invitingly
D. invited
Present Simple and Present Continuous › ViewShe ……………………goes to school by motorbike.
A. often
B. am
C. is
D. are
Prepositions › View
Minh Duc went _________ a walk.
A. to
B. at
C. for