Question 1. Traditional games _______ as an effective but simple educational method of centuries.
A. were used B. used to used C. had used D. have been used
Question 1. Traditional games _______ as an effective but simple educational method of centuries.
A. were used B. used to used C. had used D. have been used
Câu hỏi mới
$\boxed{\color{purple}{\text{#KaitoKid!}}}$