Get up out of that bed immediately.
Future Perfect Continuous TenseHave Been to vs. Have Gone toPhenomenon(s) vs. PhenomenaConditional SentenceBasic TensesFigurative LanguageGrammar on ConditionalsSimple Present ProgressiveInfinitive or Gerund
Other quiz: Passive Voice in Past Simple Tense
A lot of lives have been saved since seat belts _______________ (introduce) many years ago.
B. was introduced
C. were introduced
D. were introducing
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