用括号所给单词的适当形式填空
问题描述:
用括号所给单词的适当形式填空
1,jack's bike【 】【be】under the tree a moment ago,but【 】【be not】there now
答
was isn't
用括号所给单词的适当形式填空
1,jack's bike【 】【be】under the tree a moment ago,but【 】【be not】there now
was isn't