IV. Find and correct one mistake in each sentence 1. Your uncle works in Hanoi for one year then moved to Da Nang, didn't he? B. 2. There used to be less unemployed people in this city five years ago. A B. C 3. Don't let the children to stay up late. А В C D 4. There are too much motorbikes in this town. B. C D 5. You will have spend more money if you buy an intelligent bike. A. B. C D Chữa hộ luôn vs ạ!