根据句意及首字母提示补全单词。
(1)Four people are in my f____ . They are my parents, my sister and I.
(2)Mr. Li wants to b____  a pair of pants in the clothes store.
(3)—Could you help me with my English?
—No p____ .    
(4)The boy is my uncle's son. He is my c____ .
(5)—How do you say 6:15 in English?
—It's a quarter p____  six.