单词拼写：根据中文写出正确的单词。
Good _______（下午）, boys and girls!
Write the words in your ______（练习）book.
Where is the ________（图书馆）？It’s over there.
Look! _______（八） boys are in the picture.
Do you know the _________（答案） to this question?
A ruler is under the ________（椅子）.
His pencil case is _________（白色的）.