下列有关开花、结果及种子萌发的一些叙述中，正确的是（　　）

阅读理解，根据短文选择正确答案

    It was Saturday yesterday. It rained. We were at home. My mother phoned grandma. Then she washed clothes. My father cooked some noodles and vegetables for lunch. My brother Sam didn't help him. He watched TV. But I helped Dad. I think it will be sunny tomorrow. We will have a picnic in a park. And we will be very happy.

口算下列各式。