1.These students have already done the homework. The homework________________________________ 2.If he knew how to operate this machine,he would show us. Were he______________________________________. 3.These clothes look very modern and _________(fashion) 4.My father has a large __________ in coins (collect) 5.Câu này tìm lỗi sai nha. The ambassador,together with his wife and children,are at the party.