I still doubt _____ he can overcome(克服) all the difficulties..
#34437
A
why
B
whether
C
when
D
how
推荐题目
The house, ______walls are red, is where my grandfather used to live ten years ago.
#31106
A
which
B
of which
C
whose
D
that
_____ you understand the rules of the game, you will enjoy it.
#33361
A
Before
B
Even if
C
Once
D
While
Reality is not the way you wish things to be, nor the way they appear to be, _________ the way they actually are.
#32565
A
as
B
or
C
but
D
and
The engineers are so busy that they have zero time for outdoor sports activities, _____they have the interest.
#30885
A
wherever
B
whenever
C
even if
D
as if
A dozen ideas were considered _______ the chief architect decided on the design of the building.
#32775
A
before
B
whether
C
unless
D
because