You can’t appreciate happiness _______ you have known sadness too.
#32333
A
because
B
when
C
though
D
unless
推荐题目
. She made a promise _______ anyone could save her life, she would give him all her wealth.
#34775
A
which if
B
that if
C
that
D
if
________ her faults, she’s Arnold’s mother. Don’t be so rude to her.
#34698
A
Whatever
B
What
C
Whichever
D
Whenever
I asked her whether she had done all the work herself ________ whether she had had asked sb. for help.
#79865
A
and
B
but
C
nor
D
or
Ray is a new graduate, and it seems that he has difficulty in dealing with ________ problems arise.
#30807
A
whichever
B
whenever
C
whatever
D
wherever
-- Will you lend your MP4 player to Jack?-- Yes, ________ he promises to return it on time.
#34116
A
as soon as
B
as well as
C
as long as
D
as far as