It's on the second floor of our studying building.求这句话的解释 快 明天交~It's on the second floor of our studying building.求这句话的解释 快 明天交~

It's on the second floor. where is the art room22.---is this the library?---it's on the second floor. 补全问句：（）Is the art room?—It”s on the second fioor. It's (on the second floor)对括号内的提问 When is Mother's Day?It's on the second Sunday in May.用on 语法有错误吗 it's,the art room,the second floor,on怎么排序?it's,the art room,the second floor,on怎么排序,试卷出的,it's会不会打错了?是is? Mother's Day is on the second Sunday of May.It's a day to ______mother.填什么 Where is the art room?It‘s（ ）the second floor.（选序号） A.at B.in C.on It's on the It's on the It's on the second floor of our studying building.求这句话的解释 快 明天交~It's on the second floor of our studying building.求这句话的解释 快 明天交~ Come()It's time for class A:in B：up C：on The teacher‘s office is on the()floor A：two B：oneC：second is on second it floor the 改疑问句和陈述句 用is on second it floor the组陈述句是什么 on the second on the second On the second是什么意思 on February the second