Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.

Câu hỏi

We need an online platform on where teachers and students can work together at the same time.

A. can work together

B. an online platform

C. at the same time

D. on where

Đáp án
D. on where

Câu hỏi thuộc Bài tập:

E10- I-learn- Unit 10 (2)