[ Past Passive ]
In ancient times, fire (use) ____________________ as a signal over long distances.
A. was used
B. were used
C. is used
D. are used
Random Topics:
Vocabulary : Coming & GoingPreposition and AdjectiveVerb Tenses (Progressive, Perfect)Gerund Subject or ObjectCoordinating ConjunctionsModals of ProbabilityConditionals and Modals of ProbabilityRelative Clauses and etcAdverbs of frequencyModal Verbs of Deduction and SpeculationOther quiz:
Science › ViewThe science or study of minerals.
A. Statigraphy
B. Meteorology
C. Sedimentology
D. Mineralogy
Grammar and Vocabulary › View
She hasn’t sleep late or ________ late for school.
A. be
B. been
C. being
Grammar › ViewHe doesn’t have ______________ friends.
A. Many
B. Much
Past Tenses › View
The last time she met her parents was 2 months ago.
A. simple present
B. present continuous
C. simple past
D. present perfect
E. past continuous