The fact has worried many scientists ________the earth is becoming warmer and warmer these years.
#31168
A
what
B
which
C
that
D
whose
推荐题目
________ you don’t lose heart, I’m sure you can pass the coming examination.
#31542
A
Unless
B
If not
C
As long as
D
Although
_____ you have offered 50 yuan , you can telephone for 100 yuan.
#30170
A
To provide that
B
Provided that
C
Being provided that
D
Provide that
Leave your key with your neighbor ________ you lock yourself out one day.(2012·辽宁)
#30437
A
as long as
B
even though
C
in case
D
as if
The second-hand car she bought was almost new ,______,it was in good condition.
#80204
A
however
B
besides
C
though
D
therefore (表示一种因果关系)
._____ you arrive in Ireland, you will quickly find yourself on the beautiful country roads.
#34519
A
Since
B
While
C
Once
D
Until