Thanks to the Great Green Wall,my hometown is getting more and more beautiful.

The ______ of new inventions(发明) should be to make life easier, not to make it more difficult.

What color is your schoolbag, Gina –It’s ___________orange.

John had a short walk afterlunch, ______

Can you give me some _____ on learning more about ‘the Big Apple—I’m afraid not. I don’t know much about it.