【详解】细节理解题。根据"Gina's notebook is over there, on the chair."可知答案。

A) Gina's

B) Jenny's

C) Mary's

(A)3. Mary's last name is ________.

【详解】推理 。Mary是Mr. Black的女儿，所以她的姓氏应为Black.

A) Black

B) Green

C) Mary

(C)4. Jenny's ring is ________.

【详解】细节理解题。根据"it's a gold ring."和"It's very nice."可知答案。

A) gold

B) nice

C) gold and nice

(B)5. Mr. Black's name is on his ________.

【详解】推理 。根据常识，名字应在身份证(ID card)上面。

A) notebook

B) ID card

C) bag