Question

1. The earth moved/move/moves round the sun .
2. I studied/study/was studying when the dog began to bark .
3. They work/worked/are working hard at the moment.
4. Walt Disney create/creates/created Mickey Mouse .
5. Helen always help/helps/is helping her mother in the garden

Answer 1

1. moves
2. studied
3.worked
4.created
5.is helping

Answer 2

1. The earth moves around the sun.
2. I was studying...
3. They are working hard...
4. Walt Disney created...
5. Helen always helps....