My school is very clean 改成一般疑问句.

My school is very clean 改成一般疑问句. This is my school.(改成一般疑问句) My school is very clean改成肯定回答 Our new school cafeteria is （very big and beautiful）.改成一般疑问句 my brother is pave 改成一般疑问句 My brother is woker?改成一般疑问句 He is my brother.改成一般疑问句 THis is my sister改成一般疑问句 My is black pen改成一般疑问句? My name is Jill .改成一般疑问句 This is my pencil改成一般疑问句 my best frieng is very tall and slim(改成一般疑问句）