Part III. There is one mistake in each sentence. Find and correct it. (20 points) 1. The food that Mark is cooking in the kitchen is smelling delicious. 2. The only teachers who were required to attend the meeting were Geogre, Betty, and me. 3. The work performed by these officers are not worth our paying them any longer. 4. She can sing the song by both Vietnamese and English. 5. January has 31 days or there is only 28 days in February. 6. My shirt is red, her is the yellow one and this one is his. 7. The breaking glass was still on the floor. 8. Folk artists have few or no formal art training. 9. If I have to do many homework tonight, I will not be able to attend the concert. 10. Oxygen plays an important role in maintaining live.