0.5 MỖI ĐÁP ÁN ĐÚNGA/. YES, IT IS. B/. NO, IT IS NOT.C/. NO, IT IS...

2. - DE THI CHKI
DE THI CHKI

2. 0.5 mỗi đáp án đúng

a/. Yes, it is. b/. No, it is not.

c/. No, it is not d/. Yes, it is.