Multi-choice problem: Continue writing the next sentence in this paragraph:

How to go on a school field trip to the beach
The month before (if you know this much in advance), start working out a little.
Do 10-20 sit-ups per day , 30 jumping jacks or even a jog with your ipod or iphone or dog.
Eat healthy.

OPT:
[I] Don't eat salty, fast foods, pastries or all of that junk junk junk junk. Not including donuts for breakfast and dinner.
[II] Fresh fruit and vegetables are the way to go, and check what's in season, like berries. If you know you are going to break this rule, eat semi-healthy things in small amounts such as dark chocolate (70%-80% cocoa) for a fix.
[III] The weekend before a school trip, make sure that you are hungry and that you stay healthy. Fast food and junk food are bad for you if you are not well taken care of on the weekend.
[IV] You don't want to eat high-calorie items! If you're going to the beach, make sure your sun bathing suit is tan and ready to go. Sometimes this includes shorts under the swimming bottoms.
[II]