VII. Rewrite the sentences 36. This is the first time I have painted a picture. I have ____________________________________________________________________________________________ 37. We make the air dirty because we use the car all the time. If we _____________________________________________________________________________________________ 38. No cities in Viet Nam are more crowded than Ho Chi Minh City. Ho Chi Minh City is the most ________________________________________________________________________ 39. I don’t think they will join our trip. I think they might __________________________________________________________________________________ 40. Tom plays sports regularly, but he doesn’t look strong and healthy. Although Tom _____________________________________________________________________________________