速求英语改写句子题型及答案,如：改为否定句,对划线部分提问,改为一般疑问句等~

1：He didn't know how he could get there .(改为简单句)2:The building looks tall.The building looks beautiful.(用both..and合并句子)3:You have sports every day .(改为反意疑问句)4:Maybe you can stay at h...