[ Grammar and Vocabulary ]
Kate … around the mall for hours when she saw Justin Bieber buying sneakers.
A. has been walking
B. had been walking
C. had walked

Random Topics:
Prepositions & Prepositional PhrasesFuture - Will and Be going toPast Simple Tenseused to vs be used to vs get used toAdjective ClauseFuture Tense (will/be going to/p.continuous)Time ExpressionsTenses and QuestionsWill vs Verb InfinitivesContrastive ConjunctionsOther quiz:
Singular and Plural Nouns › ViewThe ______ are going to see their children.
A. woman
B. womans
C. womens
D. women
Tenses › View
What just happened … … me to give up.
A. Won’t convince
B. Convince
C. Convinced
D. Will convince
Grammar › ViewFind the noun :The puppy ran through the grass.
A. grass
B. ran
C. through
D. the
Grammar › View
He _______ come early last night.
A. didn’t
B. wasn’t
C. weren’t
D. don’t
