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_____is too hard _____ a good solution to this problem.
#55891
A
It; finding
B
This; to find
C
This; finding
D
It; to find
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 ________ are Bob's grandparents and they are very nice. 
#55848
A
These
B
This
C
That
D
It
The daytime of the summer is longer than _____ of the winter.
#55726
A
it
B
this
C
that
D
daytime
—I could look after　　　when I was five.—Really?I can’t believe it.
#55831
A
myself
B
herself
C
himself
D
yourself
Have you got any books on English grammar? I want to borrow______.Yes, here you are. But you must return it by Friday.
#55897
A
one
B
it
C
some
D
that
I think____________ necessary _____________ to take more exercise.
#55774
A
it, for Jim and me
B
it’s, to Jim and me
C
that , for Jim and I
D
that’s, to Jim and me