题目

.How I wish every family _________ a large house with a beautiful garden. A.has             B.will have            C.had             D.had had 答案：C 解析: 考查虚拟语气。wish的宾语从句要用虚拟语气，当从句的动作与将来的事实可能相反时，从句的谓语动词用过去式形式。除去下列物质中的杂质(括号内)，写出选用试剂及反应的离子方程式： (1)NaCl()______________________________________________． (2)____________________________________________． (3)______________________________________________． (4)Cu(Fe)_____________________________________________________．