表明自己的观点，很重要。
有这些说法
In my opinion
In my point of view
As far as I am corcerned,…..
As for me……
Attitude towards it varies a lot,I think….
Frankly speaking,(to be frank)
To be honest
Actually..
To tell the truth….
I agree with ….
I side with those people who……
I think(don’t)think…
It depends,different people have different …..
Yes I think so.(no,I don’t think so)……..
Of course,……
Absolutely…….
Exactly!
Oh.it is difficult.for me to make a choice(tell the diffrences),you know……(on one hand…….on the other hand…….)
Well,it is an interesting(tough)question ,(because….),let me think,en……..
You know,I am not much of a …….,so I know little about….but I guess……
(it 可以用具体的东西替换，比如实物，也可以用doing something, to do something,具体看你怎么说)