While income worry is _______ rather common problem of the aged, loneliness is another problem that ________ aged parents may face.
#10385
A
a; 不填
B
the; 不填
C
a; the
D
the; the
推荐题目
I wanted to catch __________ early train, but couldn’t get __________ ride to the station.
#10262
A
an, the
B
不填, the
C
an, 不填
D
the, a
As we know, success often comes after ______ failure; so don’t be so upset about _______ failure of this matter.
#7731
A
a; a
B
不填; the
C
a; the
D
不填; a
____ most efficient way to understand thousands of new words is to gain ____ good knowledge of basic word information.
#8771
A
A; a.
B
The; /
C
A; /
D
The; the
We can never expect________bluer sky unless we create________less polluted world.
#8706
A
a; a
B
a; the
C
the; a
D
the; the