The nurse whose name is Mary assisted me ______ the operation they day before yesterday.
#27102
A
perform
B
to performing
C
on performing
D
in performing
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In the experiment the scientist kept a watchful eye________the developments and recorded every detail.
#28275
A
in
B
at
C
for
D
on
Men and women should be treated equally according to the law, but _____ there is great room for improvement.
#26909
A
in fact
B
above all
C
after all
D
in return
I will look into the matter as soon as possible.Just be patient ______ it.
#28977
A
with
B
of
C
for
D
on