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This also keeps the air，soil，water crops________ chemicals.
#25521
A
out of
B
out from
C
free of
D
rid of
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. ---- It’s a secret _____ you and me.
#27635
A
beyond
B
within
C
between
D
among
Tom was _____ to go to bed when the telephone rang.
#26871
A
likely
B
about
C
to
D
around
Deaf people talk ________.
#27587
A
with signs
B
with sign language
C
by signs
D
by speaking sign language
Public attention at the moment is focused___ the problems of industrial relations.
#26808
A
into
B
towards
C
about
D
on
 _____ all my teachers, Mr. Moore is the one who impresses me most.
#25542
A
At
B
On
C
To
D
Of