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good evening,

China's foreing currrency reserves are evaluated today at ......
a) 3 trillion of dollars
b) 3 trillion dollars
c) 3 trillions of dollar
d) 3 trillions dollar

thank you !

Respuesta :

b) 3 trillion dollars
This is because it has to be in plural form, and we don't say "3 trillion of dollars"

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