شرکت در آزمون آنلاین زبان انگلیسی 1 - درس 3 | آزمون شماره 1407

Father has opened a big supermarket in the downtown, but he has a little ......... in getting customers. He was not a man of business, though good at his previous job, before getting retired.

Children are amazingly ……… ; they can play for hours without getting tired.

His father helped ............................ a whole new way at doing business.