— 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
It may take _________ years to make such robots .
#51467
A
hundred of
B
two hundreds
C
hundreds of
D
hundred
--- How many students in your school have lunch at home? --- Only ________ of us have lunch at home.
#51430
A
two hundreds
B
two hundred
C
hundreds
D
hundred
________ people died in the war.
#51856
A
Two thousands
B
Thousands of
C
Two thousands of
D
Two thousand of
I have aunts, and my aunt works in Nanjing.
#51778
A
two; two
B
two; second
C
second; two
D
second; second