--- What is our head teacher like, do you know? --Oh, he is very kind, ________ he looks very serious.
#55617
A
because
B
though
C
if
D
when
推荐题目
 —Look out! Don’t run the red light when crossing the road next time.—_______________. 
#55480
A
You’d better not.
B
Yes, I’d love to.
C
Sorry, I won’t.
D
OK. I will.
 I don’t like running, _____I like swimming. 
#56237
A
and    
B
but   
C
with   
D
so
My sister ______ go to bed _______ my mother came back last night.
#55654
A
not until
B
doesn't; until
C
didn't; until
D
aren't; until