Sandy lives on ________ floor.
#51544
A
thirteenth
B
thirteen
C
the thirteen
D
the thirteenth
推荐题目
His father looks young, but in fact he is ______. 
#51836
A
in the forties
B
in his forties
C
in the forty
D
in his forty
This is the ________ time in ________ days that Tommy has come to school late.
#51220
A
second;third
B
two:three
C
two;third
D
second;three
About two _________boys took part in the running race. 
#51585
A
hundred
B
hundreds
C
hundreds of
D
hundred of
Nearly _______of the earth___covered by sea.
#51046
A
three fourth; is
B
three fourths; is
C
three fourth; are
D
three fourths; are