Question 33: She was so busy that she couldn’t answer the phone.

        A. She was very busy that she couldn’t answer the phone.

        B. So busy was she that she couldn’t answer the phone.

        C. She was too busy not to answer the phone.

        D. She was very busy so that she couldn’t answer the phone

Đáp án B

Dịch nghĩa: Cô ấy bận đến nỗi không thể trả lời điện thoại.
Xét các đáp án:
A. She was very busy that she couldn’t answer the phone. → Sai cấu trúc: so + adj/adv + that + mệnh đề.
B. So busy was she that she couldn’t answer the phone. → Cấu trúc đảo ngữ : So + Adj/ Adv + Auxiliary + S + V + that-clause.
C. She was too busy not to answer the phone. → Thừa “not”.
D. She was very busy so that she couldn’t answer the phone → so that: để, chỉ mục đích, không phù hợp với đề bài.