Tổng hợp 20 đề thi Tiếng anh ôn thi vào 10 có đáp án - Đề 19

My father is very busy with his business; therefore he is always willing to give a hand with the housework

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

 My father is very busy with his business; therefore he is always willing to give a hand with the housework

A                               B                              C   

D       

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Giải thích

Đáp án B