Question

I think __________ people will go to Shanghai for the EXPO 2010.

A．million of

B．millions of

C．two millions of

D．two millions

Answer 1

B

million和具体数字连用时，后面不加of，且million不用复数；million不和具体数字连用时，要用复数，且后面要加of。所以选B。