1.There (D) a dirty river here,but now it has become quite clean.A.would be B.ought to be C.has been D.used to be【为什么不选A?】2.What he said has us (A) all night.A.laughing B.to laugh C.laugh D.laughed【为什么不选C?】关于第一题
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 03:21:33
xS[OA+hgbC'"لKQ@`T4Vk`_tggĦ%vfΙ;;zVrD&3KODJ$D59Bc/#:Qb$ EO^rPBn{=1D@n-n!Ge8VoСJijZݙwHH"9Y