Let's learn to use the problem we are facing ______ a stepping-stone to future success.
#25622
A
to
B
for
C
as
D
by
推荐题目
 — Have our travel plans been decided?— No, still ______.
#25228
A
out of order
B
up in the air
C
in the case
D
in the way
I cannot______ puzzled, for I simply cannot understand how I could have made such a stupid mistake.
#26289
A
help feel
B
help but to feel
C
but to feel
D
help but feel