I would have visited you before if there _____ quite a lot of people in your house.

A. hadn't

B. hadn't been

C. wouldn't be

D. wasn't

Đáp án
B. hadn't been

Câu hỏi thuộc Bài tập:

Bài tập Trắc nghiệm Tiếng Anh 12 - Unit 10: Lifelong learning (Vocabulary and Grammar)