[ 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:
Grammar › ViewPhew that was a close call.
A. Phew that, was a close call.
B. Phew, that was a close call.
C. Phew that was a close, call.
D. Phew that was, a close call.
Vocabulary and Grammar › View
We don’t usually _______ homework on Saturday.
A. do
B. have
C. study
D. play
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
