Don't worry. She will grow ______ her childish behaviour.

A:up to B:into C:out of D:beyond

Her behavior is extremely childish.（　）

A:simple B:immature C:beautiful D:foolish

Her behavior is extremely childish.

A:simple B:immature C:beautiful D:foolish

Her behavior is extremely {{U}}childish{{/U}}.

A:simple B:immature C:beautiful D:foolish

Her behavior is extremely {{U}}childish{{/U}}.

A:simple B:immature C:beautiful D:foolish

Her behaviour is extremely childish.

A:simple B:immature C:beautiful D:pretty

Her behavior is extremely {{U}}childish{{/U}}.

A:simple B:immature C:beautiful D:foolish