[ Grammar ]
Potato chips _____ popular since 1865.
A. have been
B. are
C. are being
D. been

Random Topics:
Past Continues TenseVerbs & AdverbsPronouns and Subject Verb AgreementSimple PastSubject/Verb Agreement with Collective NounsDefinite pronouns (Subject, Object, Reflexive)Nouns & Pronounsand, so, but, becauseThere is, There are, Some, AnyModals and Past ModalsOther quiz:
Tenses › ViewThey ____________ (not / finish) their project yet.
A. have not finished
B. did not finish
C. have not completed
D. not finished yet
Phrasal Verbs › View
A: The new boss looks a bit serious, doesn’t he? I don’t think I’m going to like him. B: Oh, come on, Joyce, you can’t go ______ appearances. He’s probably very nice.
A. after
B. by
C. out
D. over
Tenses and Articles › ViewWe _____ all _____ a great time.
A. has been
B. have been
C. has had
D. have had
Grammar › View
My birthday is _______________________
A. September
B. september
