[ Past Perfect Tense ]
The prisoner……….. free until he had returned the stolen things.
A. didn’t set
B. doesn’t set
C. hasn’t set
D. wasn’t set

Random Topics:
Modal Verbs and Contrastive ConjunctionsPast Simple and Past ContinuousLanguage Features: Reflective ArticleNoun and Modal VerbsPresent Simple and ContinuousSuffixes and TensesAction vs Linking Verbs/ Verb PhrasesModal Auxiliaries and To Be VerbsComparativesPast and Present ContinuousOther quiz:
Grammar › ViewHe ____________________ a principal.
A. is not
B. am not
C. are not
Grammar › View
Collecting cars is a(n) ________ hobby. It costs a lot of money
A. unusual
B. cheap
C. expensive
D. unique
Adjectives and Adverbs › ViewWhat a _______ way to interrupt!
A. nice
B. nicely
Vocabulary › View
The more ______ food we consume, the more health benefits we gain.
A. organic
B. respiratory
C. disposable
D. usable
