We were having dinner when suddenly the phone rang60/60We were having dinner when suddenly the phone rang.The telephone rang while we were having dinner.The telephone rang where we were having dinner.The telephone rang what we were having dinner.The telephone rang how we were having dinner.Giải thíchĐáp án A Giải thích: công thức QKĐ while QKTD Dịch: Điện thoại reo khi chúng tôi đang ăn tối.