It means, "Who is in the garden?"
"kazoku ga nannin imasu ka."~ this means "how many people are in your family?"
It means "who is", with extra attention to the "who". Dare ga kimasu ka? (WHO is coming?) Dare ga tabemasu ka? (WHO is eating?)
"Who is very cute?"
'I have 3 cats and 2 dogs' would be猫を3匹と犬を2匹飼っています (neko o sanbiki to inu o nihiki katteimasu) in Japanese.
'Do you like him?'
This translates to "who is in that room over there?"
"kazoku ga nannin imasu ka."~ this means "how many people are in your family?"
"Do you have a pet?"
"Neko ga imasu ka?"
It means "who is", with extra attention to the "who". Dare ga kimasu ka? (WHO is coming?) Dare ga tabemasu ka? (WHO is eating?)
"Who is very cute?"
Dare ka -who ? Dare ka kimi - Who are you? (polite) Dare ka anata - Who are you? (for a stranger) Dare ka omai - Who are you? (to someone below you) Dare ka anta - Who are you? (rude) Dare ka teemee - Who are you? (vulgar)
'Mada benkyou shite imasu ka.'
ogenki desuka
It would be 'dare ka' in Japanese.
The cast of Itsuka dare ka to - 1990 includes: Yoshiko Miyazaki Minako Osanai Chiyomi Takahashi
The cast of Dare yori-mo kane o aisu - 1961 includes: Hiroshi Ayukawa Nobuo Chiba Keiko Hamano Achako Hanabishi Yoko Hozakura Nijiko Kiyokawa Norihei Miki Toshiaki Minami Toshimitsu Omiya Shunji Sakai Chieko Seki Yoshio Tabata Tony Tani Ken Utsui Isuzu Yamada Osman Yusuf