Some people thought ________ possible to live on out space in the future .
#16163
A
it
B
it be
C
it is
D
that is
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There are over 100 night clubs in the city, but you don’t often see that is empty.
#16074
A
one
B
the one
C
it
D
that
No matter where he is, he makes _____a rule to go for a walk before breakfast.
#15684
A
him
B
this
C
that
D
it
____ has never occurred to us that the accident can do so great harm to the family．
#15934
A
That
B
It
C
This
D
One
New technologies have made __________easier to enjoy life than ever before.
#15521
A
that
B
this
C
one
D
it