Are these sentences grammatically correct? 1. In linguistics, every language has its own filler word. For example, um, un, I mean, like, well. 2. My friend is mixed of Chinese and American parentage. 3. She went on a blind date with a man. She said it was sweet that he pulled out the chair for her. 4. My colleague asked me how to increase the market share for our company. Well, I could not tell her off the top of my head. Then we discussed the sales strategy. 5. My family doesn’t hold onto the traditional values. My parents often tell me to do what I want. Otherwise, I will be regret for the rest of my life. 6. I am always hooked on chocolate and cake. 7. My grandfather is 80 years old. He always tells a joke to us even to this day.