You won't pass the examination_____ you study more.
A. as long as
B. unless
C. if
D. whether
as long as: miễn là
unless (= if ... not...) : trừ khi (nếu không)
if: nếu
whether: liệu rằng
=>You won't pass the examination unless you study more.
Tạm dịch: Bạn sẽ không đỗ kỳ thi trừ khi bạn học bài chăm chỉ.
Đáp án cần chọn là: B
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