period7Unit 5What are the shirts made of?把下列句子改成被动语态句子y lanterns.We sent out sky lanterns to ask for help.They covered sky lanternns with paper.We see sky lanterns as bright symbols of happiness.Sky lanterns were first used by ----.Sky lanterns were sent out to ask for help by us.Sky lanterns were covered with paper by them.Sky lanterns are seen as bright symbols of happiness by us.写出下列动词的过去分词 make pay send spend speakhold know grow see fold cut put made paid sent spent spoken held known grown seen folded cut put shaped -- allowed -- fired --polished --painted They are symbols of wishes for good luck and happiness. Why do we make them? Chinese clay art is famous because they look very real. The pieces are usually cute children or _______ (live) characters from a Chinese fairy tale or historical story. The pieces are _______ (careful) shaped by hand and then allowed to air-dry. After ________(dry), they are fired at a very high heat. They are then _________(polish) and painted. Finally, materials such as wood or paper are added to make different thi |