these are our tapes?改为一般疑问句

these are our tapes?改为一般疑问句 these are some video tapes in the drawer.(变为一般疑问句）___ ___ __ these are their parents(改为一般疑问句) These pants are yellow.改为一般疑问句 These are English books?改为一般疑问句? These are my brothers改为一般疑问句 These pens are blue 改为一般疑问句 these are their friends. [改为一般疑问句】 These are photo(改为一般疑问句) These girls are nice.改为一般疑问句 These are his sisters.(改为一般疑问句) These shoes are nice.改为一般疑问句