Question

Escoge la opción correcta para completar las oraciones.

1) My little brother built a tower with his favorite blocks while I _________ ________ on my science project *

A)am preparing

B))was working

C)Prepare

2) My grandparents prepared spaghettis while I _____ __________ in the table. *

A)am waiting

B)sits

C)was sitting

3)My teacher Rick ______ _________ with my father when I broke my leg *

A)is talking

B)is talks

C)was talking

4)The students _____ _________ an exercise when the ball rang. *

A)were doing

B)was doing

C)doing

5) I saw an accident while I _____ _________ at the bus stop *

A)was waiting

B)am waiting

C)were waiting

Answer 1

Respuesta:

1. b) was working

2. c) was sitting

3. c) was talking

4. a) were doing

5. a)was waiting

Explicación:

porque están en pasado y al poner el verbo to be delante del verbo, el verbo tiene que ir con -ing

Answer 2

Respuesta:

1. B) was working.

My little brother built a tower with his favorite blocks while I was working on my science project.

2. C) was sitting.

2) My grandparents prepared spaghettis while I was sitting in the table

3. C) was talking.

My teacher Rick was talking with my father when I broke my leg

4. A) were doing.

The students were doing an exercise when the ball rang.

5. A) was waiting.

I saw an accident while I was waiting at the bus stop

Explicación:

espero que te sirva, saludos