شرکت در آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 10523

Parents often forget how important it is to talk to a child, and I think that lack of communication between these two ................................... makes understanding more difficult .

The research study didin't have a scientific ................................ , but also included religious topics.

A ................................ reaction occured in the science lab when atom change took place during a mixture process.