n.(學(xué)生的)活頁練習(xí)題；工作記錄表

Site provided huge amount of free worksheet for children in all school subjects. 網(wǎng)站提供大量各種學(xué)科項(xiàng)目練習(xí)題.

This is an empty space in a worksheet. 這是工作表的空白空間。

Workbook must contain at least one worksheet. 工作簿必須包含至少一個(gè)工作表。