请问是walking at the corridor还是walking in the corridor急!

请问是walking at the corridor还是walking in the corridor急! the real estate sector相关信息Leading the decline was the real estate sector,with China Vanke Co retreating 5.34 percent to close at 6.92 yuan ($1.01).请问这里retreating 5.34 percent to close at 6.92 yuan是指什么? they are walking at the beach 和 they are walking on tht beach有什么区别 Look at this people walking on the beach.纠错 she is walking along the street at night?语法对吗 The walking the walking dead 是神马意思 Walking actually burns as many calories as running the same distance ----if done in the correct manner and at a reasonable pace.1）请问as many calories as running the same 是什么结构,2）if 后面怎么能跟done 这是分词吗?是什么作 I smiled at him before walking through the girls' locker room door.before walking through the girls' locker room door中before是介词还是连词?walking through the girls' locker room door是省略了i was的从句还是现在分词短语或者被 The were walking at seven o`clock yesterday.对were walking提问时,这道题怎么写——they—at the moment?一个-是一空 The were walking at seven o`clock yesterday..对were walking提问时,这道题怎么写——they—at the moment? walking in the street就单单这一句话来说,walking是动名词还是现在分词? The poor boy had difficulty walking为什么前面是has而后面用walking Seeing their teacher ( )(walk)into the classroom,theystopped talking at once.walk不是一个瞬间动词吗,为什么答案上写的是walking? I was walking in the park at night when I suddenly became_____that someone was following me.填哪个词语是conscious还是anxious 为什么? We are walking on the beach.Look at the sky twinklin... Some passengers were walking through one of the big halls at Paris'Charles De Gaulle Airport后接when the whole roof fell down...请问这整句如何翻译?不要翻译器. The man is walking对walking 提问