6 Fill in the correct prepositions, then make sentences using the completed phrases. 1 ...... ........... doubt; 2 exchange information.... each other; 3.............. the world; 4 appear ...... the screen; 5 ........ the page; 6 information ........... sth; 7 to click ....... sth; 8 waiting ........... sb; 9 stored a computer; 10 find out .... .... sth
​