Task 1 (câu điều kiện loại 2?)
1. If Nam drank lots of coffe, he couldn't sleep well.
2. If Ba watched TV last night, he could enjoy the film.
3. Unless Nam gave up smoking, he would get sore throat.
Task 2
1. The students should study hard to pass the test.
2. The cake has been made since the birthday.
3. Mai should stay at home because she is tired.