连词成句black,those,boxes,are,pencil _____________________________?

连词成句black,those,boxes,are,pencil _____________________________?
连词成句black,those,boxes,are,pencil _____________________________?

连词成句black,those,boxes,are,pencil _____________________________?
Are those pencil-boxes black ? 那些铅笔盒是黑色的吗?

祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!