Answer:
1. Ella solía saber muchas cosas
2. Ella solía saber muchas cosas y solía conocer a María
3. Ella aún no conoce al rey
4. Me complace cantar
5. Le complace tocar el tambor
6. Le solía complacer cantar con el gato
7. El solía conocer a los chinos
8. No me complacía tocar el tambor
9. No le complacía comerlo
Explanation:
Most of these are straight vocabulary, however I noticed many of the sentences have the "used to plus verb" form. In Spanish you could translate that two ways, depending on context. You could just use perfect preterit or you could translate the "used to" part into "solía" (or the proper form of the verb) plus the infinitive. The difference is that adding "solía" makes it clearer that the action no longer takes place.