However or although

listen to the video and then do the quiz below:

[youtube https://www.youtube.com/watch?v=4CMGXqE09kY]

Fill in the blank with " although" or "however":

he is careful, he sometimes makes mistakes.

rich he is, he is not happy.

He got low marks he studied hard yesterday.

hard the exam was, she managed to answer it.

my sister was ill, she went to school.