500 Câu trắc nghiệm tổng hợp ngữ pháp Tiếng Anh thi THPT Quốc gia (Phần 6)

He is very keen______ English, but he is not good ______ listening

5/25

He is very keen______ English, but he is not good ______ listening.

on/ at

on/ in

at/ on

at/ at

Giải thích

Chọn A