. Just like a voyage at sea, our life journey, ______ time is limited, is full of difficulties as well as opportunities.
#34771
A
what
B
of which
C
while
D
whose
推荐题目
It is not immediately clear__________ the financial crisis will soon be over.
#34723
A
since
B
what
C
when
D
whether
Most birds find it safe to sleep in the trees, but ______ they have eggs or young chicks, they don’t use a nest.
#33314
A
why
B
how
C
where
D
unless
Mary had promised to give me a ticket for tomorrow. She failed, ____.
#80630
A
either
B
though
C
but
D
too