[ Grammar ]
Choose the correct answer for the gap:
How long ___________ this book?
A. have you used
B. have you been using

Random Topics:
Grammar and ReadingVerbs with Prepositions and ConjunctionsDeterminers & QuantifiersPerfect and Past TensesRelative Pronoun/AdverbsPassive Modals in Different TensesPast Perfect & Past SimpleComparatives or SuperlativesTenses & PrepositionAsking and Giving SuggestionOther quiz:
Sentence Structure › ViewShe was nervous about the interview, she had prepared well.
A. NO CHANGE
B. interview; she
C. interview. She
D. interview she
Future Tenses › View
Hold his hand! He _____.
A. is going to fall
B. is falling
Grammar › ViewAisha: _____
Amal: They lived in Dubai.
A. Where did they live?
B. Where they did live?
C. Where do they live?
D. Where they lived?
Past Simple, Past Continuous, Past Perfect › View
I ______ whether you might need more time to finish the research.
A. wondered
B. was wondering