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If Tom ______ the examination, it would be so difficult. A. didn’t know B. doesn’t know C. had known D. has known
If Tom ______ the examination, it would be so difficult.
A. didn’t know B. doesn’t know C. had known D. has known
1. If I were good at English, I would not be nervous about the exam.
Câu điều kiện loại 2 diễn tả sự việc không có thật ở hiện tại.
2. Unless you work hard, you won't pass your exam.
Câu điều kiện loại 1 diễn tả sự việc có thể xảy ra ở hiện tại hoặc tương lại.
Unless = if not.
3. It is unnecessary for you to pay for elementary education in Viet Nam.
It is unnecessary for sb to do sth = S don't have to
11. feel / students / wearing / makes/ self-confident / casual clothes /
=> Wearing casual clothes makes students feels self-confident.
12. one of / Asian Nations. / Thailand / of South East / is / the countries / of the Association
=> Thailand is one of the countries of the Association of South East Asian Nations
