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
推荐题目
is no possibility Bob will win the first prize in the match.
#31844
A
That; that
B
There; that
C
There; whether
D
It ; whether
We should go to the cinema early. __________, there won’t be any tickets left.
#30718
A
However
B
Otherwise
C
Besides
D
Instead
It will be quite a long time _______ she is back again, so don’t be too cross with her.
#31578
A
before
B
since
C
that
D
until
(2013·甘肃兰州名校高三检测)The police set about arresting the suspect ________ they found enough evidence to prove him guilty.
#30538
A
immediate
B
as long as
C
the moment
D
as far as