[ Present Tenses ]
They have been studying together since high school.
A. Present Simple
B. Present Perfect
C. Present Continuous
D. Present Perfect Continuous

Random Topics:
Asking for and Giving OpinionArticles & Compound NounsGerundContractions and ConjunctionsTenses and Figurative LanguageA(n), the, no articleGrammar - ConnectorsVerb-ing or to VerbOffering HelpNarrative TensesOther quiz:
Tenses › ViewMy best friend _____ (go) to the Indian restaurant a month ago.
A. Go
B. Goes
C. Went
D. Goed
Passive Voice › View
The national anthem is being sung by Jason this time.
A. Active
B. Passive
I don’t mind _______ mom with the dishes.
A. help
B. to help
C. helping
Grammar › View
It refers to something retro.
A. old-fashioned
B. eye-catching
C. time-saving