-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?

问题描述:

-Why are they pulling down the house?
-( ) a new parking lot.
1.Build
2.To build
3.Building
4.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?