Mark the letter A, B, C or D on your answer seer to indicate the underlined part that needs correction following questions.

Câu hỏi

In their class, the students are taught how travelling safely in Vietnam.

A. their

B. taught

C. travelling

D. safely

Đáp án
C. travelling

Câu hỏi thuộc Bài tập:

E11- GS- Test for Unit 4