英语学位有关的知识97页4题1____,we decided to leave at once,as we didn't

英语学位有关的知识97页4题
1____,we decided to leave at once,as we didn't want to risk missing the bus.A as it being pretty late B it being pretty late C it was being pretty late D being pretty late 再给我分析下句子成分
2.Mr Smith together with his wife and children,_______going to the party this weekend,A am B is Care Dwill 再给我分析下句子成分
3.Only recently______to deal with the environmental problems,A something has done Bhas something done C has something been done D something has been done 再给我分析下句子成分