Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu hỏi

Personal ____ devices are useful for learning.

A. electric

B. electrical

C. electronic

D. electronical

Đáp án
C. electronic

Câu hỏi thuộc Bài tập:

Ms. Dung Purple - Unit 8: New Ways to Learn - Vocabulary