[ Passive Voice ]
The new chemical _________ when it exploded.
A. was testing
B. had being tested
C. was being tested

Random Topics:
Past Continuous vs Past SimpleHelping and Linking VerbsQuantifiers / Prepositions of Time and Comparative AdjectivesSentence Structure and Grammar RulesPresent Continuous for FutureEs and SGrammar-Verbs & Nouns Singular, Plural, GenderSimple, Complex, Compound SentencePrepositions and AdverbsModal Verb, Passive VoiceOther quiz:
Phrasal Verbs › ViewAn investigation was ______ by the local police.
A. carried out
B. put out
C. took in
D. held up
Grammar › View
I am sure that this is my uncle’s mobile phone. It is ___________.
A. hers
B. his
C. yours
Intermediate Grammar › ViewHe went to the Stadium ….. taxi.
A. BY
B. ON
C. IN
D. WITH
Active vs. Passive › View
This policeman …… that man.
A. Was arrested by
B. Arrested for
C. Arrested
D. Will be arrested
