11. we reach / will / the top / of / the time / mountain, / By / the rain / have stopped / I think /.
………………………………………………………………………………………………………………………………
12. invented / Thomas Edison / his / using / new appliances / during / electricity / long career / many /.
………………………………………………………………………………………………………………………………
13. on / you’re reading / is boring, / hearing / or / or / the book / the conversation / it hard / to concentrate / Perhaps / which / what / makes /.
………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
14. refer to / things / with small carts / people / offering a / or little stalls / selling different / the street / Street vendors / quick snack / on /.
………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
15. destinations / becomes / the number / one of / tourists / three million / Hue / with / of / for / to / a year / travelers / Viet Nam / the most popular /.
………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………