根据句意完成已给出首字母或汉语提示的单词，使补全后的句子意思通顺，语法正确。S{#blank#}1{#/blank#} is the first day of a week.
It is p{#blank#}2{#/blank#} to keep your voice down in public.
Gina is a{#blank#}3{#/blank#} in class. She often answers questions.
—What's your favorite s{#blank#}4{#/blank#} besides maths, Sonia? —History.
Have you ever heard of the saying “ {#blank#}5{#/blank#} （沉默）is gold”?
My friend Wang Ying comes from a{#blank#}6{#/blank#} （南方）town.
It's very{#blank#}7{#/blank#} （有帮助）to discuss your problems with your parents.
Our government has paid more attention to the problem about food {#blank#}8{#/blank#} （安全）
