(2014·北京四中3月模考)It is well known that knowledge is________treasure house,but practice is________key to it. 
#99126
A
a;the
B
the;the
C
a;/ 
D
/;the
推荐题目
--- I saw your uncle take a taxi to the airport. Why didn’t you drive him there ? --- I ___. But my car ____.
#102092
A
would ; was fixed
B
would have ; was fixed
C
would have ; was being fixed
D
did ; was being fixed
We don’t live here;we_____.
#103707
A
just visit
B
are just visiting
C
just visited
D
have just visited
 Mrs. Green wants to buy that kind of cloth because she___________ that the cloth__________ very well.
#104868
A
has been told; washes
B
is told; is washed
C
has been told; is washed
D
is told; is washed