Kitty found _________ interesting _____________ the difference between the twins.
#54347
A
/, to learn
B
it, learning
C
it, to learn
D
/, learning
推荐题目
--- What ________ useful book ! ---Yes, it is. But I found___________ difficult for me to read.
#53097
A
an, it was  
B
a, it’s   
C
an, it’s
D
a, it
These aren’t ________ cards. They’re_______
#52600
A
ours, their
B
our, theirs
C
our, their
D
ours theirs