Fill in each blank with the correct simple past form of the verb

A university class project (1-help) _________ two young women create a simple solution for a complicated problem.

• help

• helps

• helped

• helping

Julia Silverman and Jessica Matthews’s professor at Harvard University
(2-ask) ________ the class to solve a world problem.

• ask

• asks

• asking

• asked

Julia and Jessica (3-study) _________ different countries with few energy sources.

• studyid

• studied

• studyed

• studyied

They (4-notice) __________ that both adults and children in these countries ...

• noticed

• noticeed

• noticied

• noticede

... both adults and children in these countries (5-play) _________ soccer every day.

• played

• playied

• plaied

• playjed

So Julia and Jessica (6-decide)________ to create a new energy source.

• decideed

• decided

• decideied

• decide

They (7 - work)_________ with friends to design a soccer ball with a battery in it. It took a long time, but they were finally successful.

• worked

• workied

• workeed

• work

Julia and Jessica (8 - name) ________their ball the SOCCKET ...

• name

• named

• namied

• naming

... the SOCCKET and (9-show)__________ it to users in El Salvador, Mexico, and South Africa.

• show

• shown

• showed

• showied

When players there 10 (kick)________ the ball, the battery inside caught the energy from the ball’s movement.

• kick

• kicking

• kicked

• kickied