—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
_______people will visit Qinzhou during the 12th Games of Guangxi.
#51563
A
Thousand
B
Two thousands
C
Thousands of
D
Thousand of
Only ________ of the students come to school by bus.
#51345
A
three fifth
B
third fifths
C
three fifths
D
third fifth
 Who won________race last week?
#51606
A
100--metre
B
100—metres
C
100 metre
D
100--metre's
May I ask you __________questions? 
#51799
A
any
B
some
C
much
D
little
 There are about ______ people in this town.
#51468
A
five millions
B
million of
C
five million
D
five millions of