______this difficulty is overcome, other problems will be easy to solve.
#33583
A
For
B
Whether
C
Once
D
Though
推荐题目
_________ he took plane, he was frightened to cry.
#31031
A
First time
B
At the first time
C
For the first
D
The first time
Expect everything to go wrong in advance, ________ you may feel at a loss when it does.
#30994
A
or
B
and
C
but
D
so
She feels her failure very sharply _________-she won’t admit it.
#34762
A
as though
B
now that
C
even though
D
if only