Bộ 5 đề thi giữa kì 1 Tiếng Anh 11 i-Learn Smart World có đáp án - Đề 1

Although unemployment has been a problem for a long time, it has become a more challenging (36) _________ issue in the last decades

36/50

Although unemployment has been a problem for a long time, it has become a more challenging (36) _________ issue in the last decades

society

sociable

socialize

social

Giải thích

Chọn D