The project will help people understand the many threats to the natural environment ________ endangered plants and animals live.
#67350
A
which
B
when
C
where
D
that
推荐题目
(2013·重庆，25)________ we have enough evidence，we can't win the case.
#67428
A
Once
B
As long as
C
Unless
D
Since
While watching television, ________.
#68458
A
the doorbell rang
B
the doorbell was rung
C
we heard the doorbell ring
D
we heard the doorbell rings
Peter doesn’t tell me when he _______. I’ll telephone you as soon as he ______.
#41010
A
will come, comes
B
will come, will come
C
comes, will come
D
comes, comes
Every evening after dinner, if not from work,, I will spend some time walking my dog.
#68073
A
being tired
B
tiring
C
tired
D
to be tired
(2013·山东，28)________I have to give a speech，I get extremely nervous before I start.
#67434
A
Whatever
B
Whenever
C
Whoever
D
However