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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 › ViewWhile he was watching the football match, his phone _______(ring)
A. was ringing
B. rang
C. rung
D. ringed
Grammar › View
Choose the correct sentence in Present Continuous
A. I am sleeping in bed so don´t interrupt me
B. We didn´t need it in the house
C. They don´t using the car in the morning !
D. We will be working tomorrow at 10:00
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.
