Question

What are you ....... ? (do)

4. My children are ............ their bikes. (ride)

5. We’re .......... TV. (watch)

6. Are you ............problems? (have)

7. She's .......... her shopping bags to her car. (carry)

Answer 1

1) Doing
4) Riding
5) Watching
6) Having
7) carrying

Answer 2

What are you doing ? (do)
4. My children are riding their bikes. (ride) 
5. We’re watching TV. (watch)
6. Are you having problems? (have)7. She's carrying her shopping bags to her car. (carry)

Qué estás haciendo ? (hacer)
4. Mis hijos están montando sus bicicletas. (Montar)
5. Estamos viendo televisión. (Ver)
6. ¿Tienes problemas? (tener)
7. Ella lleva sus bolsas de compras a su auto. (llevar)