请教口语高手

A lot of choice:

And(拖长一点）  

While

that is to say

for example

tell you what

you know what

头两个最管用， 后面接着说什么都可以

同意3楼，千万不能不说话…… 每个人都会出现停顿，但要停的自然，说错了话也可以改正，

例如： this practice is good for parents, I mean, good for students