Tổng hai số là :

PS thứ nhất là :

PS thứ 2 là :

đáp số : 

4 góc vuông

C

1. Doing physical exercises is good for you.
⇒ It's ................................................................................
2. Jenny started working as a singer six years ago.
⇒ Jenny has................................................................................
3. She has never met such a kind man before.
⇒ He is............................................................................................

3. How long have you been a member of Volunteers In Asia?
A. When did you join Volunteers in Asia?
B. When do you join Volunteers in Asia?
C. When will you Volunteers in Asia?
D. When should you Volunteers in Asia?