[ Grammar ]
I ______ the door before I realized that the keys were inside the house.
A. lock
B. locked
C. has locked
D. had locked

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Passive Voice and Relative ClausesGrammar - to beGrammar PhrasesPast TenseGrammar - Present Perfect with for and sincePaired ConjunctionMesopotamia VocabularyIdiomsApostrophes and GrammarVerbal CommunicationOther quiz:
Abstract Noun x Concrete Noun › ViewI prefer fresh fruit juice to juice from concentrate.
- abstract noun
- concrete noun
Vocabulary › View
To be _______ is to not influenced by personal feelings or opinions in considering and representing facts.
A. Bias
B. Sourcing
C. Objective
D. Transparent
Grammar › ViewWhich sentence is correct?
A. Ideal for the long-term preservation of fruits and vegetables, you can easily sterilize and pressure-seal mason jars.
B. Mason jars, ideal for the long-term preservation of fruits and vegetables, can easily be sterilized and pressure-sealed.
Vocabulary and Idioms › View
They firmly _____ the view that it was wrong to use violence in educating children
A. brought
B. held
C. made
D. drew
