[ 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 › ViewI ________ have everything ready.
A. need to
B. need
Grammar › View
I’m really angry! I_________________80 dollars on that dress and 10 minutes later I ____________the same one for just 40 dollars in another shop.
A. spend/see
B. spent/ was seeing
C. was spending/was seeing
D. spent/saw
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