After the party,__they picked up the rubbish on the floor.A.that has been droppedB.which had been droppen C.that had been fallen.选什么为什么

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 14:22:37
After the party,__they picked up the rubbish on the floor.A.that has been droppedB.which had been droppen C.that had been fallen.选什么为什么
xQMn@rALM VĦ$֤(E`efW^.]t33ߛ7{FM©9U*9PjSJz6y,e.*]5Ӏ5/"}&"+=?ë\.HV7aÕ>90;TrJA{c4t3puz]ԛN_b#zxJdzlǛ+ » s&4]̎!nňD<Ǟ45-4@_(}9oѡ`L

After the party,__they picked up the rubbish on the floor.A.that has been droppedB.which had been droppen C.that had been fallen.选什么为什么
After the party,__they picked up the rubbish on the floor.A.that has been dropped
B.which had been droppen C.that had been fallen.选什么为什么

After the party,__they picked up the rubbish on the floor.A.that has been droppedB.which had been droppen C.that had been fallen.选什么为什么
C
横线应该在rubbish之后吧?
A错在has,因为主句是一般过去时(picked),而定语从句的动作应在主句谓语动词之前就已经发生了.所以应该用过去完成时had dropped.
B项错在droppen,没有这种过去分词.
C项错在fallen.fall是不及物动词,没有被动语态.

选C

B