介词填空：The dog is running __ the grass

介词填空：The dog is running __ the grass the dog is running a_____ the grass The dog is the garden ,too.It is running aeross the grass的中文 she is running across the grass.句子成分 look!The dog is running after a cat 改为被动语态 look!A cat __ __ The dog's running across the grass.It's running after a cat. The cat is running after the dog. 用介词填空 There is a dog sitting -----the tree. 改为陈述句 Is the dog running? the dog is running toits m____ A rabbit is run还是running on the grass? the dog is running after a white cat,和the dog is running aft