We must do something to protect the earth, ____we will lose our home.
#56833
A
and
B
or
C
so
D
but
推荐题目
I was just falling asleep ____ there was a loud knock at the door.
#56801
A
while
B
when
C
until
D
as soon as
Why not look up the new word in a dictionary you don’t know it?
#55203
A
if
B
that
C
though
D
whether
At school, some students are active ______ some are shy, yet they can be good friends with one another.
#55459
A
while
B
although
C
so
D
as
The story was written in______ easy English_____ even the seven-year-old child could understand it.
#56560
A
very, that
B
so, that
C
too, to
D
such, that