-Why are they pulling down the house?-( ) a new parking lot.1.Build2.To build3.Building4.Built很多题都是类似的这四种选项.它们之间到底有什么区别?

Why they are successful?英语翻译 Why?They are no l__ free why are they at the bus stop? why are they at the bus stpp? I wonder why things are the way they are. I like cabbages.They are very healthy.用why提问 That's the reason why they are donging now. they are in different colors对错?对错?why? Why are they go to the park?哪错了 Why are they go to the park?哪错了 why not political reform?what are they afraid of what are paint pot?Why do they have diffrent colors? 介词填空Why are they picking——the stones Why are they screaming?__ joy 介词填空 Why are they coming here?同义句——are they coming——? why are the old more bothersome when they are getting older and older?why are the old more bothersome when they are getting olderand older? they are very tired.why [don't they,not they,do they,not to] have a rest 英语Why are they clapping Because they __ the game填win,have won or won