Connectors exercise

Moreover: in addition to what has been said.
Synonyms: Furthermore, likewise, besides, further, also, more, too.
Examples:
The whole novel is boring. Moreover, it has a very formal language, very difficult to understand.
It can be unjust, and moreover negative, to say that Mr Wormold is not a good person.

Furthermore: In addition, more importantly.
Example: we can go to Carulla to do groceries. There, they are fresh and furthermorenot so expensive.

However:
Adverb degree: despite whatever amount or degree.
EX: However sleepy I am, I am not able to fall asleep during the city tour.
If I like something, I´ll buy it however much it costs.
Adverb way: Used to express surprise.
EX: However did you manage to get your husband to agree to buy that expensive fur?
In whatever way
EX: You can do it however you like, it really doesn´t matter.

Although: Despite the fact that.
My daughter walked home by herself, although she knew that it was dangerous.

Therefore: for that reason.
EX: We were unable to get to the BC last saturday and therefore had to skip class.
I want to do my religious education classes in English. Therefore, I am taking English lessons to get the fluency I need.