The reason why Holmes put his ear to the ground was beacuse his boss told him to. Also so he kept his ear to the ground, so that he would be the first to get a new idea.
1. Yo espero que tú hables español. 2. Espero regresar temprano. 3. Pienso queesun buen hombre. 4. No creo quevengatemprano. 5. Es nesesario quevuelvaspronto.