试题 试卷
题型：填空题 题类：常考题 难易度：容易
七年级上册unit9My favorite subject is science .Section A提优训练
—Art. It's fun.
—Yes, it's difficult _________ interesting.
He always {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} us.
试题篮
