There are ______students in my class, twenty girls and twenty boys.
#51489
A
forty
B
four
C
twenty
D
fourteen
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Mary, how old are you this gear?_______.  And My parents just had a party for my ______birthday last monty. 
#51569
A
Fifteen, fifteenth
B
Fiveteen, fiveteenth
C
Fifteenth, fifteen
D
Fiveteerth, fiveteen
Our teacher said there would be ______ books in the new library.
#51524
A
thousand
B
thousands
C
thousands of
D
thousand of