---How was your weekend? ---Great! It was my grandfather’s _________ birthday. We enjoyed ourselves.
#51413
A
seventy
B
seventieth
C
the seventieth
D
seventeenth[
推荐题目
There are ______ flowers in the square during the National Day.
#51746
A
million of
B
millions of
C
two millions
D
two millions of
Sally and I are in ______.
#51578
A
class two
B
Class Two
C
Two Class
D
two class
His father looks young, but in fact he is ______. 
#51836
A
in the forties
B
in his forties
C
in the forty
D
in his forty
Nowadays            of business letters are written in English.? 
#51708
A
two-third
B
two-thirds
C
two-three
D
two-threes