Can someone help me with my Spanish please Preterite and imperfect verbs

1. Yo un libro y despues fui a casa

A. Compraba

B. Compre

2. Mientras Enrique___ la guitarra Carmen cantaba

A. Toco

B. Tocaba

3. Ellos todos los sabados

A. Estudiaron

B. Estudiaban

4. Nosotros al centro comercial Ayer

A. Fuimos

B. Ibamos

5. Tu nut travieso

A. Era

B. Fuiste

6.mucha gente en la fiesta sorpresa

A. Habia

B. Hubo

7. Nosotrosla television frecuentemente

A. Vimos

B. Veiamos

Ella los (not las) come (manzanas) todos los días

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