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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:
Phrasal Verb › ViewCould you ________ your room, please? It’s a mess!
A. do up
B. clear up
C. pick up
D. take in
Modal Verbs › View
We … come to the party! (definitely)
A. will
B. won’t
C. might
D. might not
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.
