1. That particular mask is known as a false face.

2. While we were waiting for the coffee, the head waiter, with an ingratiating smile on his false face, came up to us bearing a large basket full of peaches.

3. While we were waiting for the coffee, the head waiter, with an ingratiating smile on his false face, came up to us bearing a large basket full of huge apples.

4. While we were waiting for the coffee, the head waiter , with an ingratiating smile on his false face, came up to us bearing a large basket full of huge peaches.