While income worry is ____ rather common problem of the aged,loneliness is another problem that ____aged parents may face.
#9956
A
a;/
B
the;/
C
a;the
D
the;the
推荐题目
So far nobody has provided ______ hard evidence to support their claim that they have seen _______ UFO.
#8905
A
an; a
B
the; the
C
不填；a
D
不填；an
Carl is studying________food science at college and hopes to open up________meat processing factory of his own one day. (2012·安徽，21)
#7775
A
/；a
B
/；the
C
the；a
D
the；the
― Excuse me, where can I get _____ application form? ― Go to _____ Window 10 , please.
#9912
A
an; 不填
B
an; the
C
不填；不填
D
the; the
He is more than happy to keep you ____ company, which is just out of _____ question.
#9519
A
a; /
B
a; the
C
the; the
D
/; /