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The famous scientist is conducting ___ experiment to prove his theory.
A. an
B. some
Select your answer:
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Academic Vocabulary-ing &-ed AdjectivesGrammar and VocabulariesArticlePast Tense, Recount Text, and Future TenseConjunctions and PronounsTenses and VerbsFuture FormsGerund & ParticiplePhrasal VerbOther quiz:
Grammar › ViewThe house ___ by the family every weekend.
A. is cleaned
B. cleans
C. cleaned
D. clean
Grammar › View
The film started____________ 8 PM.
A. on
B. at
C. in