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Hello, my name is Mary. I was busy last weekend.
Last Saturday, I did my homework at home in the morning. After breakfast, I bought lots of fruit with my grandpa. In the afternoon, I cleaned my room and washed my clothes. In the evening, I read English in the study.
Last Sunday, I helped my grandma cook meals. In the afternoon, I played football with my friends.
1．Mary was busy last weekend.2．Mary played football with his father last Saturday evening.
3．Mary cleaned her room last Saturday afternoon.
4．Mary did her homework in the study last Saturday evening.
5．Mary bought lots of fruit with her grandpa last Sunday afternoon.
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
