HÃY CHỌN MỘT CÂU TRẢ LỜI ĐÚNG NHẤT

20. - ON THI TRAC NGHIEM TIENG ANH 12BAM SAT
ON THI TRAC NGHIEM TIENG ANH 12BAM SAT

20. My father is very helpful. He is always _______give a hand with cleaning the house.

A. will to B. will C. willing D. willing to