请问He runs around the playground.这里around为什么是介词,而不是副词,不是有run这个动词了吗?

请问He runs around the playground.这里around为什么是介词,而不是副词,不是有run这个动词了吗? Father runs around the lake every morning He is a good _______ji He runs the fastest 还是 He runs fastest?同上 he walked around the father ,around,runs ,school,the ,his ,often连词成句 The earth (runs,ran)around the sun.把句子变为复数 She is my teacher.Does he walk to school everyday? The puppet jumps and runs around on the bus.翻译这句话 附加：around 紧急! The little boy runs and runs until he blue in the face.意思 the farmer runs until he is blue in the Tom often ___ around the playground. A.run B.Tom often ___ around the playground.A.run B.runs 把 the earth runs around the sun 改为否定句和一般疑问句 puppet,jumps,runs,the,and,on,around,the,bus(.)连词造句 around、the、puppet、and、on、bus、the、jumps、runs、(.)(连词成句) The puppet jumps and runs around on the bus.改为一般疑问句,怎么改? 连词成句:around ,the,puppet,and,on,bus,the,jumps,runs如题 around the puppet and on bus the jumps runs(.)连词成句 he felt doubtful about ( )the city.A.to get around B.get around C.getting around D.whether go or not请问选哪个啊? He runs faster than the thief改成过去式