Have you made (a) reservation?这个a到底需不需要,有啥区别

Have you made (a) reservation?这个a到底需不需要,有啥区别 Have you make reservation?还是 make a reservation? I'll call you back as soon as I have made a reservation. made a room reservation.这个a是room的还是reservation do you have a reservation for today?还是 is your reservation f make a reservation和make an appointment有什么区别? i have a reservation for a single book 和make a reservation 中book和make 有何区别?Thanks a lot! I have a reservation for a single room的翻译 I have a reservation for a single room翻译 I have a reservation for a single room.汉语意思 have you just made a new film