Đáp án:
XIII - 1. He was absent from work last Sunday because he was ill.
2. Was anyone at home when everyone arrived?
3. Jane started singing when she was 5 years old.
4. This is the best computer I have ever used.
5. Look! They are drinking tea and eating sandwiches over there.
6. Will you have a look at the house for me while I am on holiday?
7. It is the one of the most expensive cars in the world.
8. If we cut forest trees, there will be more floods.
9. Many animals are being in danger because we are destroying them.
10. I haven't take a bath since Monday.
Giải thích các bước giải:
1. (to) be absent from : vắng mặt.
2 + 3. Mệnh đề thời gian chỉ quá khứ:
S + V(quá khứ đơn), when/ until/ before/ after/ as soon as + S + V(quá khứ đơn).
3. (to) start + V-ing : bắt đầu làm.
4. Sau câu so sánh hơn nhất thường chia ở thì HTHT.
5. Look! $\to$ HTTD.
6. have a look at sb/ sth : nhìn vào ai đó/ thứ gì đó với sự chú ý.
7. one of + N(số nhiều).
8. Câu điều kiện loại I.
9. (to) be in danger : gặp nguy hiểm.
10. since $\to$ HTHT.
