Conjunction

​Which words in these sentences belong to Conjunctions?

• ​He can’t get a ride, so he has to stay home

• I don’t know whether he’s getting a ride or staying home.

• Because he can’t get a ride, he has to stay home.

  He can’t get a ride; therefore, he has to stay home.

  She’s editing and proofreading my essay.

  I not only passed the exam, but also got 100%

• We should either book the tickets in advance or arrive an hour early.

• Unless we give him a ride, he won’t be able to come.

  The dessert is so tempting; however, I’m trying to eat less sugar.

  Neither Alex nor Robin can play baseball.