试题 试卷
题型：单选题 题类：常考题 难易度：普通
外研版（三起点）2018-2019学年小学英语四年级下册Module 2 Unit 1 London is a big city. 同步练习
Do, don't, doesn't, is, are
It's time to{#blank#}1{#/blank#}
{#blank#}1{#/blank#}
例句： (heavy)
A：Is the bag heavy?
B：No, it isn't.
试题篮
(heavy)