A lot of people don’t learn from their mistakes ______ they get hurt.
#31476
A
whether
B
when
C
if
D
unless
推荐题目
Lucy is a very optimistic girl. ______ she is faced with a difficulty, she always sees the bright side.
#31278
A
Every time
B
Now that
C
As soon as
D
On condition that
The researchers found clear and convincing evidence ________ happiness is the key when it comes to better health and longer lives.
#32958
A
where
B
whether
C
how
D
that
We all know the truth _____ there are air, water and sunlight there are living things.
#32135
A
where
B
wherever
C
that
D
that wherever
______ you have known everything about it, it is unnecessary for me to talk about it again.
#31770
A
As soon as
B
Now that
C
Although
D
While