Bài tập Tiếng Anh Lớp 9 Global Success - Unit 3 - Phần: Grammar (Có đáp án)

 ANSWER KEY
Task 1.
1. passes, may buy 2. won’t, finish 3. doesn’t, should do 
4. will miss, choose 5. is, must. 6. drops, can have 
7. Will you help, have 8. won’t do, doesn’t save
Task 2. 
1-d. Andy can’t carry your bag if it’s too heavy.
2-a. If you watch carefully, I might show you what to do.
3-b. I can’t understand you if you don’t speak more slowly.
4-e. If we don’t leave now, we may be late for the exam.
5-c. I can’t help you if you don’t help me.
Task 3.
1. You should speak to new people if you want to make friends. 
2. If Adam wants to improve his English, he should study in London.
3. If I don’t fall asleep, I can finish my homework.
4. We may/should/can take Sociology next year if it’s on the timetable.
5. Mum can’t be happy if I don’t not pass my exams.
 Source: Pearson Education Tieng Anh 9