20 Đề thi giữa học kì 1 môn Tiếng Anh lớp 9 Đề 13

My brother is trying to learn English __________he can communicate with people from all over the world.

14/27

My brother is trying to learn English __________he can communicate with people from all over the world.

so that

when

because

Giải thích

Chọn đáp án A