David was always ______ his best in any danger, but at that moment he froze.
#25229
A
at
B
in
C
for
D
on
推荐题目
My head-teacher helped me a lot when I was in trouble. I do wish I could do something for him__________ one day.
#26188
A
in turn
B
in common
C
in return
D
in theory
This play, ______, is very wonderful: there are many interesting characters in it.
#28157
A
out of the question
B
on the whole
C
in doubt
D
under no condition
Three of the town’s factories have closed down _____ the space of a year.
#25590
A
among
B
after
C
beyond
D
within
Nowadays some people choose jobs for other reasons _______ money.
#27044
A
for
B
except
C
besides
D
with
He was familiar the animals.That means these animals were familiar him.
#28111
A
to;with
B
with;to
C
to;to
D
with;with