[ Countable - Uncountable ]
The famous scientist is conducting ___ experiment to prove his theory.
A. an
B. some
Select your answer:
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Action, Helping & Linking VerbsClauses and GerundsTenses (Present, Past, Future Forms)Relative & Interrogative PronounsModal Verbs and ConjunctionsRelative Clauses & Real ConditionalsIdiomsVocabulary and Verb TensesVerb + InfinitiveActive Voice-Present tenseOther quiz:
Prepositions › ViewHe focuses ___ his studies diligently.
A. in
B. with
C. to
D. on
E. for
Active vs. Passive Voice › View
Which sentence is written in active voice?
A. No photographs can be taken inside the museum.
B. All tourists must carry a passport.
C. Shoes must be worn at all times.
D. Only one small bag may be carried onto the airplane.