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

Câu hỏi

Volunteers can help old people by cooking and washing his clothes.

A. can

B. old

C. cooking

D. his

Đáp án
D. his

Câu hỏi thuộc Bài tập:

ĐỀ SỐ 14 - VŨ MAI PHƯƠNG