问题
He said he had been to Hong Kong ____ and he would go there _____ once again.[ ]
A: long before, before long
B: before long, long before
C: long ago, before long
D: long before, long before
B: before long, long before
C: long ago, before long
D: long before, long before
正确答案是：
同类题型
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Take it easy. I’m sure you’ll succeed.
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