I'm 13 years old and my sister is 15 years old. So my sister is
#51712
A
one
B
two
C
three
D
four
推荐题目
Elvis Presley has sold more than one______ records all his life.
#51613
A
billion
B
billion of
C
billions of
D
billions
Look! There are people in the supermarket.
#50948
A
two thousands of
B
thousand of
C
two thousand of
D
thousands of
You can watch TV ______, but you can’t watch it ______ a long time.
#51529
A
one, at
B
one, for
C
first, for
D
first, at