Because natural disasters occur at random times, it is difficult to warn people _______.
#26129
A
at present
B
at last
C
on time
D
in advance
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Not all of us know the difference ________ wheat, oats and barley.
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A
among
B
between
C
from
D
in
The company building she usually worked ______every day has been pulled down for the City Center.
#27378
A
on
B
in
C
for
D
不填
The school equip ________specialist dog training ground, Pet usage swimming pool, beauty salon and curing room.
#26903
A
with
B
of
C
on
D
to
______ my surprise, when the audience saw this film, they all shouted _______ surprise.
#27243
A
In; in
B
In; at
C
To; at
D
To; in
____ the help of experienced career instructors, this type of job-hunting training ____ to be very efficient.
#28456
A
By; has proved
B
With; has proved
C
Under; is proving
D
With; is proved