... __________________________________________________________14. Summer vacation last for three months.__________________________________________________________15. The longest vacation is summer vacation.__________________________________________________________16. ... _____ recess? ( on / at / in / of).16. Talking is ______ common way of relaxing. (more / most / the most / the more).17. The summer vacation ________ for almost three months. (long / lost / is ... house to the library?4. How long does it take from your house to school?5. Where can you find the card index?6. What do students do in the library?7. What books are on the left?a. about two...