COULD YOU KEEP ______ WHILE I’M ON THE PHONE, PLEASE

18. - BAI KIEM TRA 45 PHUT TIENG ANH 9
Lớp 11 Tiếng Anh BAI KIEM TRA 45 PHUT TIENG ANH 9
18.Could you keep ______ while I’m on the phone, please? Don’t make so much noise.A. quietB. enjoyableC. happyD. comfortable