雅思口语中用于过渡的万能犹豫句

在口语考试的时候，为了不影响流利渡，同时还不能出现silence挑战考官的耐心，而且要给自己思考留出喘息之机，我们往往需要一些话来过渡。这个话的长短视你需要思考的时间而定，下面这段大约３０秒：
 

This is a tough question. I have never heard about it, nor have I ever read about it (倒装句丰富句型）. Now you want me to talk about it. But I don't have too much to say. Give me a few seconds for me to search every piece of information in my head now.
 

它有一个变体，注意：突出标注的部分不同：

This is a tough question. I have never thought about it, nor have I ever read about it (倒装句丰富句型）. Now you want me to talk about it. But I have too much to say. Give me a few seconds for me to organize my thougth a little bit.
 
你当然还可以自己根据上面的思路去编造一些其它的说法，以免雷同。