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