Now, close your book please.

现在，请合上书。

youdao

Close your book, please.

请把书合上。

《新英汉大辞典》

Open / close your book, please.

翻开/合上你的书。

youdao

Stand up, please. Sit down, please. Open your book. Close your book.

请起立。请坐下。打开书。关上书。

youdao

Open/ Close your book, please.

请打开（合上）你的书。

youdao

Open/ Close your book, please.

请打开（合上）你的书。

youdao