Câu trả lời:
1. Lan is choosing a back phone to set right tone for her song.
2.She kept on glancing at her watch in order to avoid being late
3.Nga will be reading the board message at 8.00 a.m tomorrow.
4. Peter has recieved their email for ages but he hasn't replied it yet.
5.Snail mail is not favoured because it is much slower than email.