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 the factory ______ dumping poison into the lake, all the fish and other aquatic animals _______.
I think that if you _____ in his shoes, you ______ in the same way.
If you _____ to take a bus to school now, I ____ you a lift a little later.
If she _____ Chinese, I believe that she _____ it very well. However, she doesn’t pay any attention to it.
It was much colder than we had thought. _____ we had taken more warm clothes.
If local people drink this untreated water, they _______ have cholera.
We're going to start painting the house tomorrow_____ it's not raining.
If Tom ______ an alarm, the thieves wouldn't have broken into his house.