In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Summer vacation is the __(1)____ period during the summer season. All the schools and __(2)____ become closed during this __(3)____ because of the high environmental temperature in summer months (especially half May and full June). It becomes the ___(4)___ period of the year during summer vacation. Most of the students generally go to their native village, hill stations, or other cool places to enjoy with cousins, family __(5)____ or village friends.