1. Pandas have become so popular that they are now a symbol of China.<br />2. I was doing my homework at home when the rainstorm came.<br />3. My brother cleans his bedroom once a day.<br />4. The monkey king uses a magic stick to fight bad people.<br />5. Jeff has had his bike for more than 10 years.
B. 
C. 
E. 
F. 
