Which of the underlined parts in each question is incorrect? Find and correct it.
1. (A) That new 3D printer is (B) such expensive that (C) my company (D) cannot afford it.
2. Scientists (A) suggest (B) that people (C) not taking plants and animals (D) to other countries.
3. Ms Ngoc, (A) which is a famous (B) doctor, has (C) saved a lot (D) of people's lives.
4. George was (A) so a friendly engineer (B) that his colleagues liked (C) him (D) very much.
5. (A) Maintaining the food chain, (B) that is created by plants and animals, (C) is vital to (D) the ecosystem.
Giải thích
1. Cấu trúc: so + adj/adv + that
2. Cấu trúc: suggest sb + should V
3. "Ms Ngoc" là danh từ chỉ người -> dùng "who"
4. Cấu trúc: such a/an + adj + N + that
5. Sau dấu phẩy, ko dùng "that" -> dùng "which"