By the first day of August, 2007, the PLA has its ______ birthday.
#51372
A
eighty
B
the eightieth
C
eightieth
D
eighties
推荐题目
About____________of the books in the library are written in Chinese.
#51607
A
four fifth
B
four fifths
C
fuorth fifths
D
fourth fifth
 Bill is an _______ boy.
#51895
A
eight years old
B
eight-years-old
C
eight-year-old
D
eight-year-olds
Jack is _________years old. Today is his _________ birthday.
#51339
A
sixteenth; sixteen
B
sixteen; sixteen
C
sixteen; sixteenth
D
sixteenth; sixteenth