[ Passive Voice in Past Simple Tense ]
A lot of lives have been saved since seat belts _______________ (introduce) many years ago.
A. introduced
B. was introduced
C. were introduced
D. were introducing
Random Topics:
Types of Simple SentencesPunctuationMiscellaneous Grammar UsagesComparativesModal Verb Gerund or To InfinitiveTensePhrase and ClauseFirst Conditional SentenceVerb to Be Tenses & Object PronounGerunds in SentencesOther quiz:
Tenses › ViewIn which tense do we use the structure ‘Subject + Be Verb + Verb(-ing)’ for past actions that were interrupted?
A. Present Continuous Tense
B. Past Perfect Tense
C. Simple Past Tense
D. Past Perfect Continuous Tense
Vocabulary › View
urge
A. made possible
B. to try hard to persuade
C. extremely tired
D. to take care of; to keep in good condition
Modal Verbs › ViewComplete the sentence: You _______ finish your homework before going out to play.
A. must
B. might
C. should
D. can
Grammar › View
According to the law, dogs ____ not ____enter the building.
A. ought to
B. should