Câu 26: It can be inferred from the passage that, at the time the passage was written, research
concerning the distress signals of trees _____.
A. had been conducted many years previously B. was continuing
C. was no longer sponsored by the government D. had been unproductive up until then
Bạn đang xem câu 26: - Đề thi thử THPT Quốc gia môn Tiếng Anh năm 2016 trường THPT Bỉm Sơn, Thanh Hóa (Lần 3)
