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
 December is the ______ month in a year.
#51615
A
twenty
B
twelve
C
twentieth
D
twelfth
The river is very long and it is about      . 
#51870
A
20 metres wide
B
15 metres long
C
30 metres high
D
50 metres tall
How do you say 15,079?
#51373
A
Fifteen thousands, seventy-nine
B
Fifteen thousands and seventy-nine
C
Fifteen thousand, seventy-nine
D
Fifteen thousand and seventy-nine
— How many students are there in your school?—______ students, I think.
#51410
A
Thousand of
B
Two thousands
C
Two thousand
D
Two thousands of