1) Fortunately, I know how to do it.
2) Unfortunately, we have no time to do it.
3) You see, we can't go there now.
4) Frankly speaking, I don't think we can do it.
5) To make a long story short, he didn't know the answer.
6) Besides, we have already done it.
1) Fortunately, I know how to do it.
2) Unfortunately, we have no time to do it.
3) You see, we can't go there now.
4) Frankly speaking, I don't think we can do it.
5) To make a long story short, he didn't know the answer.
6) Besides, we have already done it.