1. I'm reading a book
2. She's cooking
3. He's drawing
4. They 're riding a bike
1. I'm reading a book
2. She's cooking
3. He's drawing
4. They 're riding a bike
1.I am reading a book
2. she's cooking
3. he's drawing
4.they're riding a bike
1,I'm reading a book
2,She's cooking
3,He's drawing
4,They're riding a bike
1. I'm reading a book
2. She's cooking
3. He's drawing
4. They're riding their bikes