______ 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
It was April 29, 2001________Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
#67568
A
that
B
when
C
since
D
before
Top players must have excellent ball control, but it is not just ______ they do with their feet ______ counts.
#71500
A
how; that
B
that; what
C
what; that
D
whether; what
---Is everything settled? ---Not yet. _____ I approached the problem, I couldn’t find a solution.
#67529
A
Whatever
B
However
C
Whenever
D
Wherever
After three hours’ climbing , they reached _____they thought was the place they’d been dreaming of .
#73010
A
what
B
which
C
where
D
that
If you _________ my advice, you ________ your failure now. You _________ your victory.
#66955
A
took ... wouldn’t cry over ... would celebrate
B
had taken ... wouldn’t have cried over ... would have celebrated
C
had taken ... aren’t crying over ... are celebrating
D
had taken ... wouldn’t be crying over ... would be celebrating