[ Tenses ]
A: Do you know where John is?
B: I … John this week.
A. have not seen
B. don’t know
C. didn’t know
D. haven’t saw
E. hasn’t seen

Random Topics:
Travel VocabularyState Verbs and Action VerbsPast ModalsFuture Time and TensesConjunctions & PrepositionsSimple Compound and Complex SentencesToo or EnoughVerb PhrasePresent Perfect and Present Perfect Progressive TensesArticles & QuantifiersOther quiz:
Grammar › ViewExcuse me, ………. which is the way to the station ?
A. So
B. But
C. And
Grammar › View
Mr. Rat likes ____________ in the forest.
A. Camping
B. Jogging
C. Fishing
D. Playing