_________ in a friendly way, their quarrel came to an end.
What especially impressed us was the way _____ our teacher studied foreign language.
As you know, this is the day_____ the quake happened thirty years ago.
---Hi , Bruce. Here is a letter for you.--- Thanks. I wonder _____.
---Would you like _____ camping with me?---- I ’d like to. But I’m busy _____ my homework.
---May I take this book out ? --- No, you _____ .