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
If the sea water continues to be polluted, many fish species ______ extinct.
If you _____ to take a bus to school now, I ____ you a lift a little later.
The driver in front stopped so suddenly. Therefore, the accident happened.
If Tom ______ an alarm, the thieves wouldn't have broken into his house.
If you want your tea sweeter, you _____ need to add some more milk or sugar.
We're going to start painting the house tomorrow_____ it's not raining.
If local people drink this untreated water, they _______ have cholera.