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
_____ the fans are waiting for the popular singer outside the concert hall.
#51873
A
Two thousand
B
Thousands of
C
Two thousands of
D
Two thousand of
In our city, _______ middle school students want to work as a teacher in the future.
#51886
A
thousand
B
thousand of
C
thousands of
D
two thousand of
－He buys __________ books, but he doesn’t read them at all.
#51679
A
hundred of
B
hundreds of
C
two hundreds
D
two hundreds of
-- Which floor does John live on? -- He lives on the __________floor of the building.
#51703
A
five
B
fifth
C
fifteen
D
fifty