Bộ 20 đề luyện thi Chuyên Anh năm 2023 có đáp án (Đề 96)

(66) these studies are preliminary and the issue needs further, long - term investigation.   A. While       B. Though     C. Additionally    D. However

66/80

(66) _______, these studies are preliminary and the issue needs further, long - term investigation.

While

Though

Additionally

However

Giải thích

Đáp án: D