Dear Mrs (имя учителя , если мужчина то Mr),
On next week picnic my friends ( имена друзей) and I are going to do a lot of things.
First of all we are preparing food such as sandwiches , apples , and a bit of sparkling water. Then we are going to take some aerosoel to scare away mosquetoes from us. Also we are going to build a small fire . We will seek for sticks to do fire . I think it will be very interesting picnic