Whose mobile phone is this?(I forget.)改为宾语从句

Whose mobile phone is this?(I forget.)改为宾语从句 Whose mobile phone is this?(改为同义句) whose handwriting is this改为宾语从句陈述句 This is a book.I bought it.改为宾语从句 This is the first mobile phone ()I bought Whose box is it on the floor?(I am not sure)改为宾语从句 ___.Is this your mobile phone? It is going to rain this afternoon.I think.(改为含有宾语从句的复合句) whose 引导的宾语从句.这样：I don't know whose watch it is . 改宾语从句 急whose bike is this?does anyone know______________ I don't want to use the phone,he said 改为宾语从句 The mobile phone is mine改为一般疑问句