_____is too hard _____ a good solution to this problem.
#55891
A
It; finding
B
This; to find
C
This; finding
D
It; to find
推荐题目
–Is      your jacket?  ---No, it isn’t. Ask Alan. He lost      .
#55798
A
this; hers
B
this; his
C
this; her
D
these; his
_____a cat.  We do not know_____ name.      
#55860
A
It is, its
B
Its, it is
C
It is, It is
D
It is, is