题目内容
The mountain is not valuable_____ it is high.
- A.if
- B.although
- C.because
- D.as
C
not ... because 并不因为才...
I did not go, because I was ill.
I did not go because I was ill.
not ... because 并不因为才...
I did not go, because I was ill.
I did not go because I was ill.
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