Match the sentence halves. Mind grammar tenses. Michael has been learning а foreign language

Michael has been learning а foreign language - for two years but he can’t speak fluently yet.
Stuart started learning French - when he got interested in the fashion
Europeans believe that hieroglyphic writing - is the most difficult thing about learning Chinese.
Millions of young people throughout the world - learn languages for business and academic purposes.
Katy is not a particularly diligent student - but she’s gained proficiency in three foreign languages