Complete the dialogue . dad: listen,boys ! did you remember that it is mother's day tomorrow? we could arrange a party for mum,couldn't we? jack: andrew: not a bad idea! let's talk about how to do it. jack: i know! i'll be responsible for flowers.i know she likes white roses. dad: ok. i'll and you , andrew? andrew: i'll be . and jack . jack: what ? why me? i think we should make a cake dad: