Tìm lỗi sai: 1. My roommate studying when I went our of the room. 2. He cleans English as well as his sister is. 3. The farmer was riding to towm while he fell off his horse. 4. I feel not as tired today as I left yesterday. 5. We didn't begin to study for the test yet. 6. Would you like me helping you with your homework? 7. It's pleasant of reading books in spare time. 8. Let's paint the house weseleves. It will be much cheaper.