[ Present Perfect Tense ]
A: How long _____ your classmate?
B: For 3 years.
A. you have known
B. you knew
C. you know
D. have you known

Random Topics:
Conjunctions - Conjunctive AdverbsTransportation VocabularyPast Tense & Past Continuous TensePast Perfect vs Past SimplePronouns and QuantifiersNouns and QuantifiersRegular and Irregular VerbsPhrasesReported - GerundPresent, Past and Future TenseOther quiz:
Grammar › View______________ there a washing machine in the kitchen?
A. Are
B. Is
C. Isn’t
Simple Tenses › View
I usually ______ to school, but today I ______ the bus because of the rain.
A. walk / took
B. will walk/take
C. walked/takes
D. will walk/takes
Tenses › ViewMy sister (go) __________ to the gym weekly.
A. Present Continuous – goes
B. Simple Present – go
C. Simple Present – goes
D. Present Continuous – is going
too / enough › View
I can’t study here because it isn’t _____________.
A. too quiet
B. quiet enough