she is walking to the blackboard.对划线部分提问:walking to the blackboard画线I'mn going to have a picnic tomorrow.对划线部分提问:have a picnic
问题描述:
she is walking to the blackboard.对划线部分提问:walking to the blackboard画线
I'mn going to have a picnic tomorrow.对划线部分提问:have a picnic
答