Ôn thi Cấp tốc 789+ vào 10 môn Tiếng Anh (đề 21)

I know you're too busy to stay, but I look forward to see you again

21/40

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in the following question.

I know you're too busy to stay, but I look forward to see you again.

know

to stay

to see

but