Câu hỏi: 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.
Let's start by reviewing what we do with those friends last week.
A. start
B. reviewing
C. do
D. friend
Let's start by reviewing what we do with those friends last week.
A. start
B. reviewing
C. do
D. friend
"do" sai: thì quá khứ, có trạng ngữ chỉ thời gian "last week" cuối câu
Sửa: did
Sửa: did
Đáp án C.