It was along the Mississippi River _______ Mark Twain spent much of his childhood. 
#85472
A
how
B
which
C
that
D
where
推荐题目
It was the President himself______ opened the door.
#84896
A
who     
B
when  
C
which
D
where
---You didn’t lock the back door.一You are wrong.I         .
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A
have locked it
B
lock it myself
C
did lock it
D
do lock it
It ___________ we had stayed together for a couple of weeks________ I found we had a lot in common.
#85307
A
was until; when
B
was until; that
C
wasn’t until; when
D
wasn’t until; that