1．Are you allergic (过敏) to some drugs?
2．The old man was waiting for the return of her son with anxiety (焦虑)．
3．I want to do some revision (复习) for the final exam.
4．I can not express to you how grateful (感激) I am.
5．I want to confirm (证实) my reservation.
6．The official was found guilty of corruption.
7．Some hanks make it difficult to open an account.
8．She went to English Corner every day, because she decided to practise oral English.
