[ 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:
Grammar › ViewShe helps me ____ clean the kitchen.
A. clean
B. to clean
C. both
Conjunctions › View
Choose the correct conjunction
She is kind _____ helpful.
A. and
B. but
C. because
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