Пожалуйста,помогите вставить буквы:
1.Steven is very proub ... his new bicycle.
2.Hello,can l speak ... Ann,please?
3.Are you going to arrange a picnic at the weekend?-l would like to but it depends ... the weather.
4.What are you looking ...?-l ve lost my pen.
5.She always laughs ... his silly jokes.