What are these?These are decks.这句话有错吗?如果有,怎样改?

What are these?These are decks.这句话有错吗?如果有,怎样改? Are these bananas trees 这句话有错吗 “what are these”这句话什么意思? What colours are these apples.这句话有什么错误 what are these ? These are ( )? what are these? thens are apples.哪里有错 What're these?These are erasers 改病句急 what are these?or whose are these? what are these ones? what are these? what are these keys ( what.are.these?中文