—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
—How old is Tom?—He is ____.
#51380
A
fourteen years
B
fourteen year old
C
fourteen old
D
fourteen
—Which number is next to sixteen?—________. 
#51632
A
Twenty
B
Fifteen
C
Thirty
D
Nineteen
There are three ______ students on the playground.
#50978
A
hundred
B
hundreds of
C
hundred of
D
hundreds
_______ of the materials I listened to at the beginning of the exam _______ easy.
#51520
A
three fourths; is
B
third four; are
C
three fourths; are
D
three fourth; are