核心语法项目整合 — 英语填空题
题目
用括号中所给提示完成短文，每空填入正确形式。Last Friday, our class visited a park. There ___ (be) some bottles near the trees. We ___ (pick) them up. Our teacher said, “You should ___ (put) the rubbish in the bin.” Next Saturday, we ___ (be going to clean) the park again.