Punctuation
Although the exercise was difficult we managed to finish it on time so we passed the exam.
Although the exercise was difficult, we managed to finish it on time, so we passed the exam.
Lia gets scared very easily / She still loves watching scary movies / She often stays up really late watching movie marathons
Although Lia gets scared very easily, she nevertheless loves to watch scary movies, and she will often stay up really late watching movie marathons
Russia has a variety of natural resources, including oil, natural gas, timber, iron ore, copper, and lead.
Simple
I don't enjoy the food which is prepared by the staff nor do I appreciate their unfriendly attitude.
I don't enjoy the food which is prepared by the staff, nor do I appreciate their unfriendly attitude.
The team captain jumped for joy. / The fans cheered. / we won the state championship
The team captain jumped for joy, and the fans cheered because we won the state championship. OR When we won the state championship, the team captain jumped for joy, and the fans cheered.
Dustin always approaches difficult tasks enthusiastically, and he frequently motivates others with his energy and fervor.
Compound
We had finished our work early therefore we wanted to go out so we went to the mall.
We had finished our work early; therefore, we wanted to go out, so we went to the mall.
Susan teaches the kids who live in the neighborhood. They meet in the evenings after she comes home from work.
Susan teaches the kids who live in the neighborhood in the evenings after she comes home from work.
The platypus has venom-producing glands, which are rare among mammals, but its venom is not generally lethal to humans.
Compound-Complex
If he wants to join us he needs to ask the host of the party otherwise he can stay home.
If he wants to join us, he needs to ask the host of the party; otherwise, he can stay home.
We didn't have much time, so we didn't read the final chapter. However, we still enjoyed the book.
As Samir sat down on the rickety old chair, it abruptly collapsed beneath him.
Complex