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

Câu hỏi

The Internet is a great invention, _________?

A. wasn’t it

B. isn’t it

C. is it

D. was it

Đáp án
B. isn’t it

Câu hỏi thuộc Bài tập:

ĐỀ SỐ 11 - VŨ MAI PHƯƠNG