(2013·山东济宁模拟)It is by no means clear ________ the president can do something to end the strike.
#30531
A
whether
B
which
C
that
D
what
推荐题目
_______ your opinions are worth considering, the committee finds it unwise to place too much importance on them.
#33397
A
As
B
Since
C
Once
D
While
________ is quite natural,a beginner can't read the books written in English very quickly.
#80332
A
Which
B
As
C
What
D
It
(2013·高考北京卷)Don’t turn off the computer before closing all programs，________you could have problems.
#30670
A
or
B
and
C
but
D
so
—I’m going to the post office.— you’re there, can you buy me some stamps?
#31507
A
Because
B
While
C
As
D
If