___ most of the earth’s surface is covered by water, fresh water is very rare and precious.
#80429
A
As
B
Once
C
If
D
Although
推荐题目
________ three times，but she still couldn’t follow what the old man said．
#31621
A
Having told
B
Having been told
C
She had been told
D
Though she had been told
___ student gets the first place will get a beautiful present.
#32838
A
Whoever
B
However
C
Whatever
D
Whichever
I am a determined person. ____ I have made up my mind, nothing can change my mind.
#31780
A
Once
B
Though
C
Unless
D
Until
That was a very busy street that I was never allowed to cross accompanied by an adult.
#33210
A
when
B
if
C
unless
D
where