Lần sau để 20đ được không bạn? Nhiều bài quá.

V.

1. respectfully              4. doctorate

2. analyzing                 5. presentation

3. diversity                   6. breathtaking

Ex1:

1. have you done            4. has been cooking

2. has eaten                    5. have seen

3. have written                6. has scored

Ex1:

1. use/ will reduce

2. go/ will go

3. have/ will catch

4. will float/ put

5. is/ will have

6. have/ will go

Ex2:

1. If you don't study hard, you will fail the exam.

2. If you come before 8.am, you can meet her.

3. If you see her tomorrow, tell her the truth.

4. If you want to stop the machine, press the button.

5. If it is sunny tomorrow, I will go to the beach.