He is very old, ______ he still works very hard.
#30921
A
but
B
if
C
when
D
as
推荐题目
Parents are advised to put books __________ they are easily accessible to children .
#30199
A
which
B
where
C
in which
D
who
______ children believe they can succeed, they will never become totally confident．
#30571
A
If
B
Since
C
Once
D
Unless
The man in black was about to set fire to the house ____ the police came.
#33709
A
while
B
after
C
before
D
when
He made a promise ________he earned money, he would build a new school to help develop education.
#29981
A
what
B
that if
C
that
D
what if
I don’t understand how he can say that everything is fine ________ it’s so obvious that it’s not.
#31223
A
unless
B
when
C
so that
D
in case