(Viên chức Mầm non) 1128 câu trắc nghiệm Tiếng Anh A2 có đáp án - Phần 29

The first part of the test was easy, the second, ________ took hours.

6/30

The first part of the test was easy, the second, ________ took hours.

therefore

but

so

However

Giải thích

Chọn đáp án D