Many of the_____not used today. They are remnants of the past.

A. railroad's tracks around here are

B. railroad's tracks around here is

C. railroad tracks around here is

D. railroad's track around here are

Đáp án
A. railroad's tracks around here are

Câu hỏi thuộc Bài tập:

Chuyên đề ôn thi: Hòa hợp giữa chủ ngữ và động từ (3)