请认真阅读下面对话，并根据各题所给首字母的提示，写出一个英语单词的完整、正确形式、使对话通顺。
M＝Mum
S＝Sara
P＝Peter
（When Sara came home from work, she found her mother in an anxious state．）
S: What’s wrong, Mum? You seem upset．
M: It’s your （1） y sister Jill．She should have been here an hour ago．
S: Don’（2） w ,Mum! It’s not all that late and she has probably not（3）r how late it is．I think she’ll be here soon．
（Just then Sara’s brother Peter came into the kitchen．）
P: What’s up? Mum’s on the phone and she seems as though she’s going to cry．
S: It’s Jill．She should have （4）r home by now and Mum’s getting anxious．
P: You needn’t feel so anxious, Mum! You know what teenage girls are like．I’m （5） __ she’s all right．
M: I can’t help but be concerned．I’ve just rung Lucy and she said Jill her our the cinema ages ago to get the bus．
P: Well, the bus service isn’t very frequent in the evenings．Perhaps she（6）m one and is waiting for another．Have you tried （7）p her on her mobile?
M: Yes, but there’s no reply．That made me even more worried．I think（8）s must have happened to Jill．
Do you think we should call the （9）p ?
S: Calm down, Mum! You’ll make yourself ill．Perhaps she switched her mobile （10）o in the cinema and forgot to switch it back on again．Or it may need to be charged．