[ 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:
Vocabulary › ViewTo make something such as an idea, plan, system, or law start to work and be used
A. implore
B. acknowledge
C. argue
D. implement
Grammar › View
When /you start learning English ?
I started learning English four years ago.
A. have – started
B. did – start
C. did – started
D. have – started
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
