By the first day of August, 2007, the PLA has its ______ birthday.
#51372
A
eighty
B
the eightieth
C
eightieth
D
eighties
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---Look at that tall building!---It is _______tallest building in the city.
#50969
A
three
B
third
C
the third
D
the three
Our new physics teacher got a pretty and lovely girl _____ .
#51414
A
in his thirty
B
in his thirty’s
C
in his thirtieth
D
in his thirties
We all know that dinosaurs lived on the Earth more than ______ years ago.
#51424
A
sixty million
B
millions of
C
sixty million of
D
million of
Scientists think that there has been life on Earth for _______ years.
#51626
A
illions
B
millions of
C
illion of
D
illion
If I am free, I’d like to spend _________ holiday in the countryside.
#51819
A
a two-days
B
a two days
C
two- days
D
a two-day