What do you think I could do that would make them happy?
I'd like to do something nice for my host family. Do you have any good ideas?
この場合、次のように先生に聞くと良いですよ。
ーWhat do you think I could do that would make them happy?
「彼ら(ホストファミリー)に喜んでもらうのに私は何ができると思いますか?」=「何をしたら彼らに喜んでもらえると思いますか?」
ーI'd like to do something nice for my host family. Do you have any good ideas?
「ホストファミリーに何か素敵なことをしてあげたいのですが、良いアイデアはありますか?」
ご参考まで!
What do you think would make my host family happy?
If you have any advice on what I could do for my host family to make them happy, please tell me.
ご質問ありがとうございます。
① "What do you think would make my host family happy?"=「何をすれば私のホストファミリーを喜ばせると思いますか?」
② "If you have any advice on what I could do for my host family to make them happy,"=「私のホストファミリーを喜すために私に何が出来るかアドバイスがあるならば、」
"please tell me."=「私に教えて下ださい。」
ご参考までに。