—How old is Steve?—He is ____________ and he has an ___________ sister.
#51515
A
13-year-old; 10 years old
B
13 years old; 11-year-old
C
13 years old; 10-years-old
D
13-years-old; 11-years-old
推荐题目
______ comes after (在……后) seven. 
#51841
A
Six
B
Eight
C
Seven
D
Five
There are ______________ birds there in the sky.    
#51475
A
Million of
B
five millions of
C
millions of
D
five millions
________people listened to the concert.
#51188
A
Hundred of
B
Hundreds of
C
Hundred
D
Hundreds
About _________ of the teachers in tour school were born in ________.
#51042
A
two thirds, 1970
B
two thirds, the 1970s
C
two third, 1970s
D
two third, the1970