The girls have read ______ books. 
#51263
A
two hundreds
B
hundred of
C
two hundred of
D
hundreds of
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      —Can I help you?—I’d like ____________ for my twin daughters.
#51901
A
two pair of shoes
B
two pairs of shoe
C
two pair of shoe
D
two pairs of shoes
Elvis Presley has sold more than one______ records all his life.
#51613
A
billion
B
billion of
C
billions of
D
billions
The lowest price of the new iPad in the USA is _________ dollars.
#51217
A
three hundreds and ninety-nine
B
three hundred and ninety-nine
C
three hundred ninety-nine
D
three hundreds ninety-nine