【题目】选择恰当单词补全空缺。
【1】How many days are there __________（in/on）a week?
【2】What's the first day __________（of/to）a week?
【3】__________（Do/Are）you like sports?
【4】I usually go to the park __________（in/on）Sundays.
【5】__________（What/What's）day is today?
【答案】
【1】in
【2】of
【3】Do
【4】on
【5】What
【解析】
略