He is welcome to come along, he behaves himself.
#30581
A
provided that
B
so far as
C
even if
D
in case
推荐题目
—How can I wake up so early?—Set the alarm for 5 o'clock, ______ you'll make it.
#30566
A
but
B
or
C
and
D
so
I still remember that terrible accident a few days ago, ____ more than 20 pupils were killed.
#32171
A
where
B
that
C
on which
D
which
I wrote to my parents once a week,____ I was too busy with my teaching work.
#80142
A
it
B
unless
C
when
D
as
hard she tried, she couldn't control her feelings when she was told her baby had been found．
#30652
A
As
B
While
C
However
D
Although