More historical buildings in the old town will fall down ________we try our best to protect them.
#55384
A
if
B
since
C
unless
D
in order that
推荐题目
This story is too difficult for us. _____ read something easier.
#55137
A
Why not
B
Why not to
C
Why not you
D
Why don’t
– You bought the car about ten years ago? -- Yes. it’s old, it still runs well.
#57826
A
Because
B
Since
C
Although
D
But
---You look very healthy. ________do you exercise? -----I exercise three times a week.
#56267
A
How often
B
How many
C
How much
D
How soon