1.  Yes, I'm very good at Math

2. She is a good teacher and she has trained many students in my class who are good at this subject

3. I learned the ability to think and be creative

4.I think it won't be difficult if we study hard

5. I think it will stimulate thinking and creativity when children learn this subject

B-C

A-D-B

Hấp thu vitamin D vs A

Giúp chắc khoẻ xương(Cho xin 1 tick)

D. Cho xin tick

A.to talk-> talking 

Cho xin tick