1. Mary sings better than her elder sister does.
 * Mary is a better singer than her elder sister. (Mary là một ca sĩ hát hay hơn chị gái của cô ấy.)
2. I started learning English 5 years ago.
 * I've been learning English for 5 years. (Tôi đã học tiếng Anh được 5 năm rồi.)
3. They find it easy to understand native speakers.
 * They have no difficulty understanding native speakers. (Họ không gặp khó khăn gì trong việc hiểu người bản ngữ.)
4. My father used to smoke cigarettes.
 * My father does not smoke cigarettes anymore. (Bố tôi không còn hút thuốc nữa.)
5. Children like to walk in the rain.
 * Children are keen on walking in the rain. (Trẻ con rất thích đi bộ dưới mưa.)
6. He drives so carelessly that he often has accidents.
 * He's such a careless driver that he often has accidents. (Anh ta là một người lái xe bất cẩn đến nỗi anh ta thường xuyên gặp tai nạn.)
7. Let's have something to drink now.
 * Shall we have something to drink now? (Chúng ta có nên uống gì đó bây giờ không?)

1.a better singer than her elder sister**.

2.
**been learning English for 5 years**.

3. *trouble understanding native speakers**.

4. not smoke cigarettes anymore**.

5. on walking in the rain**.

6. a careless driver that he often has accidents**.

7. we have something to drink now?**