读短文，补全句子。 It's Saturday today. It's seven in the morning. My mother is doing morning exercises and my father is
cooking breakfast. Grandpa is reading the newspaper. Grandma is watering the flowers. My brother Jack is
still sleeping. I'm writing an e-mail to my new friend, John. We are ready for the weekend.
1. _______________ reading the newspaper.
2. _______________ writing an e-mail.
3._______________ sleeping.
4. _______________ cooking breakfast.
5. _______________ doing morning exercises.1. Grandpa is 2. I'm 3. Jack is 4. My father is 5. My mother
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