We were sad to know that about 30 kids had been killed in Sandy Hook, Newtown, the USA ____ December 14, 2012.
#48183
A
in
B
at
C
on
D
by
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Computers are used workers helping make many dinfferent things now.
#48487
A
to, for
B
by, for
C
by, to
D
for, to
My little cat sleeps _______ the day , but ______night he begins to work.
#49205
A
at , at
B
on, in
C
on, at
D
during, at
It is said that robots can do many things ___ humans can’t do ______the control of computers.
#49760
A
what; under
B
that; with
C
that; under
D
what; with