—What’s this? —It’s a machine which was invented in __________century in China.
#51455
A
six
B
sixth
C
the six
D
the sixth
推荐题目
My mother will have a _________ holiday next month. She'll take me to Beijing. 
#51733
A
five days
B
five -day
C
five - days
D
five day's
Eight ________ students in our school are from countryside.
#51194
A
hundreds
B
hundred
C
hundreds of
D
hundred of
He has ___________ daughter_______ Mary.
#51855
A
a eight years old , name
B
an eight-years-old , named
C
an eight-year-old , named
D
a eight-year-old , naming
      of our classmates are good at basketball.
#50960
A
Three quarters
B
Three fourth
C
Third four
D
Three four