It's()to()()our classroom.
It's()to()()our classroom.
It's time _____ our classroom,everyone!
We need to get our classroom ____(clean).It's really a mess.
It's on duty to keep our classroom clean 改为同义句
It's n_____for us to keep our classroom clean every day.
to clean,ourturn,the classroom,it;s
It's our turn ___ the classroom today
It is our duty to keep our classroom clean and tidy.中的It《our
to,take,classroom,let‘s,books,our,these
Our classroom is next to Daming's classroom.(对next to Daming
It is our duty to keep our classroom clean and tidy.中 our du
It is our duty to keep our classroom clean and tidy.句中的 clea