Angga and Devi …. the classroom.
D. did not clean
If vs. WhetherLeach vs. LeechTensesVocab CheckingGrammar - Wh QuestionsIdiomsPresent Perfect and Past SimplePast Simple and Past ProgressivePresent/Future/Past Simple/Present Perfect
Other quiz: Grammar Modals
In the 1940s, there may _____ (be) only 40 Amur tigers left because of hunting.
C. be being
D. have been
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