A man does not know the difficulty of anything _____ he does it personally .
#80502
A
although
B
if
C
because
D
unless
推荐题目
It was not until he came back _____ he knew the police were looking for him.
#34711
A
which
B
since
C
that
D
before
He failed in the exam not only his laziness but also he didn’t listen to the teacher.
#31866
A
because; for
B
because of; because
C
as; for
D
for; since
Soccer is the most truly international team sport, but there’s still some question _______whether it should be called a game or open warfare.
#34415
A
due to
B
in addition
C
as to
D
owing to
she was out of the room, he took a quick look at the papers on her desk.
#30733
A
If
B
While
C
Though
D
Unless