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_______ Cooperation is essential.
A. Ø
B. The

Random Topics:
Has and HavePrepositions of Place & TimeGrammar : Structural Common ErrorsModals and Modal PerfectsPunctuating ClausesGrammar: was/wereWord FormationContrast Linking WordsGerund - to Infinitive Modals, Infinitives and GerundsOther quiz:
Tenses › ViewHow long ___ he have been living in Cambodia by next year?
A. does
B. will
C. will have
D. will have been
Vocabulary › View
work, composition, piece, oeuvre
A. opus
B. veneer
C. stricture
D. parable
General Knowledge › ViewHow many star signs are there on the original United States?
A. 13
B. 12
C. 9
D. 7
E. 23
Grammar › View
Select the option where the apostrophe placement is most correct:
A. This is his father-in-laws radio.
B. This is his father-in-law’s radio.
C. This is his father-in-laws’ radio.
