问题
well known that knowledge is ____treasure house, but practice is ___ key to it.
A:a; the
B:the; the
C:a; x
D:x; the
B:the; the
C:a; x
D:x; the
正确答案是：
同类题型
I read an article ________ a young writer ________ the UK last week.
________in Paris for five years, but still can’t read and write in French. [ ]
In no time______ by a string of measures backing Hainan’s efforts to deepen reform and opening-up.
______, we had to put off the tennis match.
If you ______ succeed, apply yourself to the job after finding the proper ______ to doing it.