13. B => bỏ

→ "the" không đi kèm với tên của các địa danh

14. D => was

→ Diễn tả sự việc trong quá khứ ⇒ thì QKĐ: S + V2/ed

→ Tobe trong quá khứ là was (dùng cho số ít), were (dùng cho số nhiều)

15. C => the

→ Danh từ đã được xác định ⇒ dùng the

14. A => broke

→ break là động từ bất quy tắc:

→ break ⇒ broke ⇒ broken

13. The underlined part that needs correction is "the Danang". It should be "Danang" without the definite article "the".

Corrected: Lan traveled to Danang last week. She visited some famous places there.

14. The underlined parts that need correction are "become" and "am". The correct verb tenses should be "became" and "was" to indicate past actions.

Corrected: I became an actress at the age of 32. Before that, I was a teacher.

15. The underlined part that needs correction is "a Louvre museum". "Louvre" is already a proper noun, so it should not be preceded by the indefinite article "a".

Corrected: My family visited the Louvre museum last summer vacation.

16. The underlined part that needs correction is "breaked". The correct past tense of "break" is "broke".

Corrected: Someone broke the window and got into my room last night.