He left home in 1980 and has never come back ____. 
#84129
A
though
B
while
C
when
D
since
推荐题目
Don't you recognize him? Just look up. On the opposite wall ________.
#79706
A
does his photo hang
B
hangs his photo
C
is hanging his photo
D
is his photo hanging
--It starts raining outside.--Oh, ____________! 
#84544
A
so it is
B
so does it
C
it does so
D
so it does
__________, they couldn’t make their head teacher change her mind.
#79969
A
Whatever hard they try
B
No matter how they tried hard
C
As they tried hard
D
Hard as they tried