Before I talked with ______ scientist, I had never met_____ clever person like him.
#33922
A
the , a
B
a, a
C
the, the
D
a , the
推荐题目
Do you have _______ i Pad5? 
#32301
A
a
B
the
C
an
D
/
It’s going to rain.You should take   umbrella.
#32933
A
a    
B
an    
C
the    
D
/