根据句意和汉语提示写出单词，完成句子。
____________ （提醒） me to post the children’s letters please.
The Sydney Opera House is only an usual theatre but also the __________ （标志） of Australia.
Mum made a ____________ （允诺） to buy a mobile phone for me as a birthday present.
Now there’s fewer traffic accidents because of the law ____________ （反对） driving after drinking.
We are ____________ （真的） proud of our woman astronaut， Wang Yaping.