They have stayed in Beijing for ________________.
#51576
A
one and half an hour
B
one and a half
C
one year and a half
D
one and a half hour
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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
__people will go to the party. Do you know?
#51484
A
Millions of
B
Million of
C
Five Millions
D
Million