[ Grammar ]
How long have they ________ there?
A. waited
B. been waited
C. been waiting
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Grammar and PrepositionsPresent & Past TensesModals VerbsPast Simple (Questions)Modals of Speculation and DeductionModals and AdviceWord Form & Verb TenseGrammar - ConnectorsGrammar : can, could and be able toArticles - rulesOther quiz:
Vocabulary › ViewWho is the _________ of your group ?
A. head
B. responsible
C. beside
D. despite
Passive Voice - Present Continuous › View
Someone is cleaning the room.
What is the passive?
A. The room is cleaned.
B. The room is being cleaned.
C. Someone is cleaned.