شرکت در آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 133

..................................... are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the moon and the sun , and the rotation of the earth.

Before beginning to assemble the toy , the boy made sure he had every ....................... to complete the project.

Some children have learning ........................ . They can't learn as fast and much as the other students. 

Police hoped that showing the missing girl's face on the news would ....................... new interest in her case.

Being independent from other countries in producing some ............................... is the action we should be care about.