Yes. the teeth of the shark are very sharp thank you for the points
stood there waiting for his friend to come up to him.
Remember to wear knee pads and wrist guards, when you ride your skateboard.
Conjunctive adverbs connect one clause to another clause, or one idea to another idea:
Joanne was very good at math; however, she is not good at English.
Descriptive adjectives can be separated with commas in a sentence such as:
Joanne did not want to pet the smelly, wet dog.