______ 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
There is no possibility________ he will keep his word. He is always telling lies.
#67987
A
how
B
whether
C
when
D
that
________，as long as I’m with nature，I don’t care.
#67084
A
However tough the journey is
B
Whatever tough the journey is
C
However the journey is tough
D
Whatever the journey is tough
——What should I wear to attend his wedding party?——Dress ________ you like.
#67666
A
What
B
however
C
whatever
D
how
_______ there were only five soldiers left at the front,______ they went on fighting.
#41378
A
Because;so
B
If;and
C
Though;but
D
Though;/