As the intelligence of robots increases to match ________ of humans，we may use them to expand our frontiers.
#15222
A
it
B
that
C
which
D
the
推荐题目
Jackie made _____ possible for this family to have beautiful memories during hard time.
#15182
A
it
B
this
C
that
D
what
Do you like travelling from one city to ___________?
#57204
A
other cities
B
the other
C
others
D
another
–How many students are there in the classroom? --__________. They are all in the lab.
#58042
A
Some
B
None
C
All
D
Neither