— How old is your son?   — Five.—We will have a special party for his            birthday .
#51039
A
five
B
fifth
C
fifteen
D
fifteenth
推荐题目
—How many students are there in your school?—_______ students, I think. 
#51431
A
Thousand of
B
Three thousands
C
Three thousand
D
Three thousands of
________ people went to the concert last week .
#51453
A
Hundred
B
Threemillions
C
Millionsof
D
Threemillionof
_________of people will visit Beihai .
#51811
A
Thousand
B
Thousands
C
Thousands of
D
Thousand of