A man does not know the difficulty of anything_________ he does it personally.
#80329
A
although
B
if
C
because
D
unless
推荐题目
I’m afraid he’s more of a talker than a doer, which is______ her never finishes anything.
#30625
A
that
B
when
C
where
D
why
At school, some students are active ______ some are shy, yet they can be good friends with one another.
#32248
A
while
B
although
C
so
D
as
Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.
#31345
A
before
B
once
C
until
D
unless