[ Grammar ]
Have you worked _________ the solution yet?
A. out
B. in
C. off
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Linking Verbs & Helping VerbsPresent Perfect & Past Simple TenseGrammar, Conditional Sentences, VocabularyOrdering AdjectivesPresent PerfectSimple Present ProgressiveVerb PhraseAdverbs & to beTenses and PronounsGrammar - Present Perfect with for and sinceOther quiz:
Grammar › ViewThey……. this music two hours ago
A. Listen
B. Listened
C. Listening
D. Be listen
Past Continuous Tense & Past Modals › View
The students were talking when the teacher … the class
A. was entering
B. entered