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It was the National Day. During（在……期间） this long holiday, Wang Bing did many things. In the morning, he went to the zoo with his parents. He found there were many birds, tigers, monkeys and elephants, etc. When Wang Bing threw(扔) bananas to monkeys, they became very excited.
In the afternoon, they visited his grandparents. They were very happy to see each other. Wang Bing’s father watched TV when(当……的时候) grandpa showed some old pictures to Wang Bing. They said much about past time(过去). Wang Bing’s mother and grandma cooked nice food for them. In the evening, they had a big dinner.
All the day, they had a good time.
1．Today is the National Day. （2．Wang Bing went to the zoo with his friends. （
3．Wang Bing’s father watched TV in the afternoon. （
4．Grandpa showed some old pictures to Wang Bing. （
5．They had a good time. （
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
