【小题1】I can’t finish my work on time if he doesn’t help me.（改同义句）
I can’t finish my work on time ________ ________ help.
【小题2】You shouldn’t behave like this at table. It’s impolite.（改同义句）
You ________ ________ to behave like this at table. It’s impolite.
【小题3】It’s five minutes’ walk from my home to the park.（就划线部分提问）
________ _______ is it from your home to the park ?
【小题4】By the time I got up, my brother had gone to work by taxi.（就划线部分提问）
________ ________ your brother gone to work by the time you got up ?
【小题5】Jack has never visited the park before. She told me.（合并句子）
She told me Jack ________ never ________ the park before.