Don’t be afraid of asking for help _______ it is needed.
#29950
A
unless
B
though
C
although
D
when
推荐题目
It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
#30966
A
that
B
whether
C
what
D
how
You can’t appreciate happiness _______ you have known sadness too.
#32333
A
because
B
when
C
though
D
unless
Science has given clear evidence ______ smoking can lead to many diseases.
#31076
A
what
B
which
C
that
D
where
(2010·重庆)Today，we will begin ________ we stopped yesterday so that no point will be left out.
#30435
A
when
B
where
C
how
D
what