30 đề luyện thi Đại Học môn Tiếng Anh cực hay có lời giải (Đề số 21)

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

22/50

Choose the letter A, B, C, or D to indicate the underlined part that needs correction.

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

with

therefore

willing to give

a hand

Giải thích

Đáp án B

therefore => however