______ the students found the soldier’s idea interesting, the system was too difficult to be of practical use.
#32332
A
While
B
Unless
C
As soon as
D
Even if
推荐题目
As a college freshman, he wanted to be an interpreter, ________ he joined a translation club.
#30289
A
for
B
but
C
so
D
as
He is a key ____________ in the murder so we must protect him from all kinds of danger.
#34297
A
witch
B
watcher
C
wizard
D
witness
Experts are trying to work out a plan to deal with the problems caused by global warming _________ it is too late.
#32265
A
if
B
before
C
when
D
until
______ money is important, many teenagers say they want to do jobs they enjoy.
#30956
A
Because
B
Unless
C
If
D
Although