题目

用所给动词的适当形式填空，完成短文 Children's SafetyI (talk) to some students. I (ask) about safety rules when they (be) younger. Their rules were very good.John (say), “I couldn’t play in the kitchen.” His mum and dad didn’t (like) that.Jennifer (can) play the piano and she could also (play) games in the living room. When her mum and dad (not, be) home, she couldn’t cook.Tom could play in the bedroom or the living room. He couldn’t (play) in the bathroom or the kitchen.What (be) your safety rules when you were young? (talk) to younger students about these and (hel（2006?连云港）以下是我们熟悉的几种气体，其中可用下图所示装置干燥并收集的是（ ）（省略了铁架台等仪器）①H2 ②O2 ③CO2 ④SO2 ⑤CH4．A．①②B．③④C．①⑤D．①②⑤