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
_______ you may have， you should gather your courage to face the challenge.
#67911
A
However a serious problem
B
What a serious problem
C
However serious a problem
D
What serious a problem
The science of medicine, _____ progress has been very rapid lately, is perhaps the most important of all the science.
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A
all whose
B
all what
C
all that
D
all which
Helen is much more kind to her youngest child than to the others,___________ of course, make the others unhappy.
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A
who
B
which
C
she
D
that
We are bound to solve the present severe problem, ________ we act intelligently and promptly.
#72922
A
even though
B
unless
C
as long as
D
in case