_____the cause of the oil leaks, the specialists can not draw a conclusion before completing a thorough and detailed investigation.
#25714
A
With regard to
B
regardless of
C
In response to
D
In spite of
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He ______to swim across the Channel, but they failed because of the terrible weather.
#29020
A
succeeded
B
managed
C
attempted
D
thought
We have a wide selection of sweaters that will appeal _____ all ages, and in particular the teenager market．
#26727
A
for
B
in
C
to
D
on
As we all know, several primary schools and factories were named _____ the hero.
#28232
A
from
B
at
C
after
D
to