آزمون آنلاین انگلیسی 3 - درس دوم | آزمون شماره 10427

In recent decades, factories have undergone numerous changes. These changes are due to the ......... of new technologies to work place.

Age limitation and education are two necessary ......... in the factory employing condition.

He --------- and picked the kids up on the way to the airport.

The man ........................ stole my backpack has been arrested and now I am going to the police station.