(2013·合肥一中二模)I don't know who invented ________ iphone，but I think it is ________ useful invention.
#7895
A
the；a
B
the；the
C
an；the
D
an；a
推荐题目
Because he is ______head of the government, he is supposed ______.
#8017
A
/; to taking
B
/; to take the lead
C
the; taking the
D
the; taking
Although badminton is my favorite sport，I am not ____ very good player.
#8345
A
the；a
B
the；the
C
／；a
D
／；the
When you finish reading the book, you'll have______better understanding of________life.
#8622
A
a; the
B
the; a
C
/; the
D
a; /
Animals are obviously ______ lower form of life than _______ man.
#8426
A
a ; /
B
the ; the
C
a ; the
D
/ ; /