单元语法专练;Ⅰ.单项填空

()1.Inordertoprotecttheenvironment,manypeoplechoosetogotowork_______subway.

A.in B.on C.by D.with;()2.Onsunnydays,mygrandmaoftenreadsabook_______thewindow.

A.by B.for

C.with D.from;()3.[2023·甘肃天水]—_______doyo