— 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
______ of the workers in the computer factory is about two thousand, and ______ of them are women workers.
#51805
A
The number; second third
B
A number; three quarters
C
A number; half second
D
The number; two thirds
The girls have read ______ books. 
#51263
A
two hundreds
B
hundred of
C
two hundred of
D
hundreds of
There are _______ visitors to the wetland park, and the number is becoming _______ now.
#51437
A
thousand of; larger and larger
B
thousands of; more and more
C
thousands of; larger and larger
D
thousand of; more and more
There are _______ doctors and nurses working hard in that hospital.
#51378
A
thousands of the
B
two thousands
C
thousand of
D
two thousand