1. "You should devote how much time - " Ở đây, The best option cho "how much time" được devotes (dành, bỏ ra) để làm mỗi nhiêm vụ là ’decide’ [B], vì nó đúng về mặt ngữ nghĩa (bạn nên quyết định thời gian bạn cần để thực hiện mỗi tác vụ).

2. "Becoming independent is...": Đây đơn giản là cú pháp chính xác cần ‘becoming’ [C].

3. Casual classroom English phrasing would typically be "...working on is too difficult" do đó chúng ta sẽ chọn [A].

4. Similarly the appropriate option for "You____study hard.." is must [A] according to the context.

5. "Do English teenagers learn to become independent in the same way as Vietnamese teenagers?": according to the sentence structure, 'as' [D] is the most fitting option.

6. Hướng dẫn có thể bao gồm cách ‘set’ [B] goals mà không phải hoạch định cho mục tiêu (have/make/take).

7. "Teenagers need to ___": The best indicative option here is [C] develop life skills, not manage or foster, or chase after their independence.

8. "George learned how to cook by himself ___ he was at university in London.": 'When' [A] he was... is a useable memory characteristic that correctly fills the sentence.

9. "It helps to ___..decision skills." Commensurable with the context, making [D] occurs conjointly with decisions skills not with taking, giving, or doing things.