[ GRAMMAR - Could / Could not ]
We _________ open the door. It was locked from the inside!
A. could
B. couldn’t

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Employment VocabularyGrammar - Present Perfect TenseGrammar for TOEFLPresent Simple/AffirmativePrepositions of Time and PlaceIdiomsPhrasal VerbsComparative AdverbsSubordinate ConjunctionsEd and Ing EndingsOther quiz:
Subject Verb Agreement › ViewThat man in blue shorts always _____ me.
A. scare
B. scares
Personal Pronouns › View
I don’t like dogs. I’m afraid of ____.
A. they
B. them
C. it
D. us