شرکت در آزمون آنلاین انگلیسی 3 - انگلیسی 3 | آزمون شماره 12113

Try to speak slowly when you give your speech. if you don’t, some of your words ……… .

A/an ........................... card is a card with a person's name , photograph , date of birth , and other information on it .

All of the following are mentioned as discoveries, inventions or theories by Einstein EXCEPT … .