شرکت در آزمون آنلاین زبان انگلیسی 1 - درس 4 | آزمون شماره 9858

You could ………. speak every language in Europe, but it would take far too much time to learn them all.

Not to lose way, you .......................... be careful about the signs ........... the road.

.Telephone inventor , Alexander Graham Bell , had a/an ......................... habit of drinking his soup through a glass straw that was used to suck liquid into the mouth