Answer:
1. ha sufrido
2. han aumentado
3. hemos adelgazado
4. he llevado
5. hemos hecho
Explanation:
The perfect past tense is a tense used to:
* Talk about actions that have happened a short time ago:
Esta mañana he visto a María.
* Talk about actions that we don't want to say when they happened: Antonio ha estado enfermo varias veces.
* With the adverbs still and still:
¿Todavía no has terminado los deberes?
It is formed with the present simple of the verb "haber" as auxiliary and the participle of the main verb.
is it si or se?
the word si doesn't complete non of the sentences
2.Estamos en una habitación que___vistas al mar (tener).
3.Buscamos un albergue que____cerca al centro de la ciudad (estar).
4.Mi hotel favorito____frente a la playa (estar).
5.Necesito una brújula que____ fácil de usar (ser).