EX7
1. My mother is very interesting cooking. -> interested in (thích thú trong việc nấu ăn)
2. He is very nice because he always help everyone. -> helps (chủ ngữ "he" số ít)
3. His father was sick so he went out with his friends. -> didn't go ("His father was sick": bố anh ấy đang ốm nên không thể đi chơi với bạn bè được)
hoặc
His father was sick so he went out with his friends. -> wasn't (Bố anh ấy không bị ốm nên anh ấy đã đi chơi với bạn bè)
4. Although she is hard-working, she passes the exam. -> don't pass
hoặc
Although she is hard-working, she passes the exam. -> isn't
(vì although trong cấu trúc câu đối lập nên cả hai đều được)
5. I didn't come to her house because I am very tired. -> was ("I didn't come " chỉ quá khứ, nên dùng TQKĐ)
6. It is important to keep our body health. -> healthy (adj, giữ cơ thể khỏe mạnh)
7. I think we should avoided getting sunburnt. -> avoid (Lời nói được xảy ra ở hiện tại)
8. We must finish our homework before get to school -> we get /going
9. Healthy is very important to our life -> health (sức khỏe)
10. You should keep away from watch TV too much. -> watching (keep away from + V-ing)
EX8
1. He should drink less coffee.
2. She must rest/She must not work too much (to not feel tired)
3. People should drive slower.
4. I should avoid eating junk food.
5. I ought to do exercise regularly.