1) Do you want to airmail it or not?
你想发航空信吗？
2) Would you send this by air mail?
你想寄航空信吗？
3) Do you want to send these letters by air?
寄航空信吗?
4) Would you like to go...?
你想去……吗?
5) Do you believe in God!
你信神吗?
6) Can you believe it?
你相信吗？
参考词条