123) It + be + adj + (for sb) to V 

1. It is convenient to do my...

2. It is a good oportunity for you to work in a...

3. It is not easy for me to use a map...

4. It made him annoyed that I repeated my questions (câu này chắc sai :v)

5) It + must be : dùng để chỉ sự phỏng đoán có căn cứ (chính xác cao)

5. It must be Susan who is at the door

6) It + be + adj + that clause

6. It is certain that they...

7. It takes 3 hours from Hanoi... by coach

8. mk chiuj :v

9. It is about ten kilometers from here to the city

10. It is risky to invest...

có câu nào k hiểu bn hỏi lại mk nha mk chỉ kịp lm vậy thôi xl bn nhiều