If you have some difficulties ____ your grammar, you had better ask your teacher ____.
#27276
A
in; on some advice
B
for; for some advices
C
on; some advice
D
with; for some advice
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Don’t forget where the emergency exits are _____an emergency.
#28746
A
in place of
B
in favor of
C
in case of
D
in charge of
The operator put him ______ to 83428091.
#27486
A
out
B
in
C
through
D
on