[ Grammar ]
_____ the use of cigarettes on an aircraft should have been done long ago.
A. Ban
B. bans
C. banned
D. banning

Random Topics:
Understanding Product Packaging and TensesVocabularyAdjective or AdverbAdjective ClauseUnscramble SentencePast Perfect or Past Perfect ContinuousTenses and ArticlePresent Perfect Simple & Present Perfect ContinuousSimple Compound and Complex SentencesSimple present/ past/ future tenseOther quiz:
Modal Verbs › ViewThere’s a power cut in Mike’s office.
A. He can’t use his computer.
B. He doesn’t have to use his computer.
Grammar › View
Margaret…..usually come by bus
A. Doesn’t
B. Isn’t
C. Don’t
D. Aren’t
Choose the correct modal: They ___ be at the meeting by 10 AM. (must/can’t)
A. might
B. should
C. could
D. must
Future Tenses › View
I think I ___ a cassette recorder and use it in class.
A. buy
B. am buying
C. will buy
D. would buy
