— When did you start to collect stamps?— I got my ______ stamp when I was ______ years old. 
#51450
A
one, seven
B
one, seventh
C
first, seventh
D
first, seven
推荐题目
There are ________ people having lunch at this restaurant every day.
#51878
A
hundred of
B
hundreds of
C
two hundreds
D
two hundred of
      of our classmates are good at basketball.
#50960
A
Three quarters
B
Three fourth
C
Third four
D
Three four
--- How many students are there in your class? --- Forty,and ________ of us are girls.
#51017
A
three fifths
B
three fifth
C
third five
D
third fifths