Help others whenever you can ______ you will make the world a nicer place to live in. 
#79975
A
and
B
or
C
unless
D
but
推荐题目
He behaved           nothing had happened. 
#30938
A
even though
B
because
C
although
D
as though
I’ve got a bit of a headache. It’s nothing much, _________.
#32215
A
moreover
B
besides
C
though
D
anyhow
---What do you think worries him so much?     ----____.
#34612
A
He didn’t pass the exam
B
His father is seriously ill
C
Lost his bike
D
What Jim said just now