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

Random Topics:
Employment VocabularyGrammar - Present Perfect TenseGrammar for TOEFLPresent Simple/AffirmativePrepositions of Time and PlaceIdiomsPhrasal VerbsComparative AdverbsSubordinate ConjunctionsEd and Ing EndingsOther quiz:
Gerund and Infinitives › ViewI don’t expect you ……………….. all the names and dates.
A. remembering
B. to remember
Modal Auxiliaries and Similar Expressions › View
Which sentence expresses future certainty?
A. The system might crash if we don’t fix the bug.
B. The system will crash if we don’t fix the bug.
C. The system may crash if we don’t fix the bug.
D. The system could crash if we don’t fix the bug.
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