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（1）Christmas is a Western h________! People don’t go to work.
（2）We i________ our friends and family to our home on Christmas.
（3）People o______ their gifts on Christmas morning.
（4）I’m going to b_______ some cards in the shop.
（5）We can take pictures with the c________.
（6）The book is mine. It has my n________ “Tom” on it.
（7）At night we can see many Christmas l__________ on our house.
（8）Yesterday I helped Jenny p_______ up the Christmas tree.
（9）Christmas is in w_________, so we can see snow during the time.
（10）People usually sing Christmas s_______ on Christmas Day.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
