Welcome to our class !123breadFirst , we need：4egg5ham6tomato7tomato sauce8lettuce9LetLets make a sandwich.s make a sandwich.10First , apply（涂） some tomato sauce on a slice of the bread. 11Next ,put the lettuce and the egg on the bread .12Then, put tomatoes and hams on the other slice of bread.13Finally, put another slice of bread on the top.Finally（最后）, put another（另外的） slice of bread on the top.1415 Lets taste the sandwich!Lets taste the sandwich!1617
