Chọn từ trong ngoặc điền vào chỗ trống :
1. in spite of
2. shortage
3. resulted in
4. ends
5. thanks to
6. knowledge
7. wondered
8. transport
9. bumper
10. current
11. dominate
12. wondered
Viết lại câu sự dụng ''if'' hoặc ''unless''
1. Joe will fail the examination unless he studies hard
2. unless he invites me
3. unless you obey her
4. unless you stop working too hard
5. asks me,I'll never help him
6. stop smoking, you'll get worse
7. leave me alone, I'll call the police
8. Unless you pay attention to the lecturers, you won't understand..
9. Unless you come home early, your parents will be worried
10. unless you apologizes
