The teacher asks us to keep our classroom____(clean)and tidy

The teacher asks us to keep our classroom____(clean)and tidy The teacher asks us to keep our classroom____(clean) The teacher often tells us ( ) the classroom clean and tidy. The teacher asks us ____ our classroom.A.clean B Our English teacher asks us to keep (d ) in English. Our teacher talks to us and asks our It is our duty to keep our classroom clean and tidy.中的It《our It is our duty to keep our classroom clean and tidy.中 our du -- -- of us should keep our classroom clean and tidy我们每个人都应该 I think it's our duty to keep our environment clean and tidy It is our duty to keep our classroom clean and tidy.句中的 clea It is our duty to keep our schoolyard clean and tidy.这句话是主语从