—Do you know the boy       is sitting next tu Peter?--Yes, he is Peter’s friend.They are celebrating his       birthday.
#51282
A
who;ninth
B
who; nineth
C
that;nineth
D
which;ninth
推荐题目
In our city, ________ college students want to work as a teacher in holidays.
#51797
A
thousand
B
thousands of
C
thousand of
D
two thousand of
There are more than three      people in the city.
#51395
A
millions
B
million
C
millions of
D
million of
There are ______________ birds there in the sky.    
#51475
A
Million of
B
five millions of
C
millions of
D
five millions