Write answer to these questions. 1) what are books usually made of? 2) what are bottles usually made of? 3) what are milk jugs usually made of? 4) what are cottages usually made of? 5) what are shoes and bags usually made of? 6) what are mittens,scarves and jumpers usually made of? 7) what is buter made of? 8) what is jam made from? 9) what is omlette made from? 10) what is soup usually made from?