Watashi no sukina kamoku ha (pronounced 'wa' but spelled 'ha') kagaku desu.
You can say "My favorite subject is..."
Ittsu
you say my favourite subject is... eg: English mi piace englese
Kurasshu
To say "What is your least favourite subject?" in Welsh, you would say "Beth yw dy hoff bwnc lleiaf?"
Mi clase favorita es..........................
niwa
Here is how you would ask the question and answer in Welsh:What is your favourite subject? - Beth ydy dy hoff bwnc di?My favourite subject is ....... - Fy hoff bwnc ydy .......
romaji: hyaku hiragana: kanji: 百
Anata no me ga daisuki
You would say "Anata WA kirei desu." :D
What word do you want in romaji? Type "how to say _____ in Japanese" into a Google search, and romaji for the word will come up so you can pronounce it. By the way, it's "Romaji" not "Romanji". Roma is the Japanese word for Rome.