______ environmental damage is done, it takes many years for the ecosystem to recover.
#73217
A
Even if
B
If only
C
While
D
Once
推荐题目
______we were worried about was ________they could manage to control the pollution.
#69123
A
That how
B
That whether
C
What that
D
What whether
When you answer questions in a job interview, please remember the golden rule: Always give the money exactly ____________ he wants.
#73937
A
what
B
which
C
when
D
that
—Go and ask her come .—OK.
#74181
A
what time would she like to
B
at what time she’d like to
C
when would she like to
D
when she likes to
Taobao.com is a free site, _________ visitors can not just purchase almost all kinds of products but open their own online shops.
#72026
A
where
B
which
C
what
D
whose
When ______ help, one often says “Thank you.” or “It’s kind of you.”
#68004
A
offering
B
to offer
C
to be offered
D
offered