1. I have sent an email to Jack last week, but he hasn't replied. - Cần sửa: "last week" nên thay bằng "I sent an email to Jack last week, but he hasn't replied." 2. I feel at home in this village because we lived here for six years now. - Cần sửa: "we lived here for six years now" nên thay bằng "we have lived here for six years now." 3. Last weekend, my parents have picked wild mushrooms in the forest. - Cần sửa: "have picked" nên thay bằng "picked". 4. Tom worked very hard since he moved to Ha Noi. - Cần sửa: "worked" nên thay bằng "has worked". 5. He died after suffing of a serious illness. - Cần sửa: "suffing" nên thay bằng "suffering". 6. You will become healthy if you eat a lot of snacks. - Cần sửa: "You will become healthy if you eat a lot of snacks" nên thay bằng "You will not become healthy if you eat a lot of snacks." 7. Keep healthy by eating well and exercising regular. - Cần sửa: "regular" nên thay bằng "regularly". 8. I completely avoid to eat cake. If I eat cakes, I'll awful. - Cần sửa: "avoid to eat" nên thay bằng "avoid eating". "I'll awful" nên thay bằng "I'll feel awful". 9. Having a balancing diet is very important for a long and healthy life. - Cần sửa: "balancing diet" nên thay bằng "balanced diet". 10. You mustn't to drive a car if you don't have a driving licence. - Cần sửa: "mustn't to drive" nên thay bằng "mustn't drive".