【正文】
serve as: to be useful or helpful for a particular purpose or reason function as 1) During World War II, when London was bombed, many underground stations functioned as bomb shelters. 2) The old couch had to serve as a guest bed. serve sb. sth. serve sb. with sth. = serve sth. to sb. serve as a model All of us were seated around the table and Aunt Pat ______ spaghetti for supper. A cooked B served C got D made 3 Choose small shells so they will not be very heavy when they are stuck onto the card. These pictures will be quite big, so you should use strong paper or card and very strong glue to stick the rubbish onto the