[ 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:
Many vs. Much › ViewDo we have enough time ? There are …………………….. places to visit.
A. Too many
B. Too much
Grammar › View
The fire burned down the house to cinders.
A. The house was burned to cinders by the fire.
B. The house was burned down due to cinders from the fire.
C. The house burned down to cinders by the fire.
D. The house was burned down to cinders by the fire.
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