填空题
·You will hear a new resident's inquiring about regulations.
1 The residents are{{U}} {{U}} 1 {{/U}} {{/U}}to leave their cars in the back.
2 {{U}} {{U}} 2 {{/U}} {{/U}}are permitted, but{{U}} {{U}} 3 {{/U}} {{/U}}aren't allowed.
3 There is a trash disposal room on each floor next to the{{U}} {{U}} 4 {{/U}} {{/U}}